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Current Path: /opt/golang/1.17.2/src/runtime

📁 ..
📄 HACKING.md(13.07 KB)
📄 Makefile(178 B)
📄 abi_test.go(2.88 KB)
📄 alg.go(9.45 KB)
📄 asm.s(715 B)
📄 asm_386.s(40.27 KB)
📄 asm_amd64.s(56.93 KB)
📄 asm_arm.s(30.23 KB)
📄 asm_arm64.s(33 KB)
📄 asm_mips64x.s(22.43 KB)
📄 asm_mipsx.s(24.39 KB)
📄 asm_ppc64x.h(1023 B)
📄 asm_ppc64x.s(29.16 KB)
📄 asm_riscv64.s(22.43 KB)
📄 asm_s390x.s(26.04 KB)
📄 asm_wasm.s(9.8 KB)
📄 atomic_arm64.s(259 B)
📄 atomic_mips64x.s(326 B)
📄 atomic_mipsx.s(284 B)
📄 atomic_pointer.go(2.62 KB)
📄 atomic_ppc64x.s(461 B)
📄 atomic_riscv64.s(275 B)
📄 auxv_none.go(360 B)
📄 callers_test.go(7.72 KB)
📁 cgo
📄 cgo.go(2.01 KB)
📄 cgo_mmap.go(2.42 KB)
📄 cgo_ppc64x.go(439 B)
📄 cgo_sigaction.go(3.17 KB)
📄 cgocall.go(18.88 KB)
📄 cgocallback.go(317 B)
📄 cgocheck.go(6.83 KB)
📄 chan.go(23.54 KB)
📄 chan_test.go(23.01 KB)
📄 chanbarrier_test.go(1.4 KB)
📄 checkptr.go(3.29 KB)
📄 checkptr_test.go(1.62 KB)
📄 closure_test.go(937 B)
📄 compiler.go(413 B)
📄 complex.go(1.59 KB)
📄 complex_test.go(1.05 KB)
📄 conv_wasm_test.go(2.96 KB)
📄 cpuflags.go(800 B)
📄 cpuflags_amd64.go(533 B)
📄 cpuflags_arm64.go(334 B)
📄 cpuprof.go(6.92 KB)
📄 cputicks.go(497 B)
📄 crash_cgo_test.go(16.17 KB)
📄 crash_nonunix_test.go(429 B)
📄 crash_test.go(20.96 KB)
📄 crash_unix_test.go(8.52 KB)
📁 debug
📄 debug.go(1.63 KB)
📄 debug_test.go(6.82 KB)
📄 debugcall.go(6.21 KB)
📄 debuglog.go(17.49 KB)
📄 debuglog_off.go(377 B)
📄 debuglog_on.go(1.11 KB)
📄 debuglog_test.go(4.56 KB)
📄 defer_test.go(10.32 KB)
📄 defs1_linux.go(862 B)
📄 defs1_netbsd_386.go(2.84 KB)
📄 defs1_netbsd_amd64.go(3.07 KB)
📄 defs1_netbsd_arm.go(2.96 KB)
📄 defs1_netbsd_arm64.go(3.18 KB)
📄 defs1_solaris_amd64.go(4.02 KB)
📄 defs2_linux.go(3.52 KB)
📄 defs3_linux.go(1.11 KB)
📄 defs_aix.go(4.18 KB)
📄 defs_aix_ppc64.go(3.63 KB)
📄 defs_arm_linux.go(2.69 KB)
📄 defs_darwin.go(3.79 KB)
📄 defs_darwin_amd64.go(6.07 KB)
📄 defs_darwin_arm64.go(3.89 KB)
📄 defs_dragonfly.go(2.63 KB)
📄 defs_dragonfly_amd64.go(3.31 KB)
📄 defs_freebsd.go(3.86 KB)
📄 defs_freebsd_386.go(4.38 KB)
📄 defs_freebsd_amd64.go(4.65 KB)
📄 defs_freebsd_arm.go(3.71 KB)
📄 defs_freebsd_arm64.go(4.03 KB)
📄 defs_illumos_amd64.go(285 B)
📄 defs_linux.go(3.05 KB)
📄 defs_linux_386.go(3.77 KB)
📄 defs_linux_amd64.go(4.28 KB)
📄 defs_linux_arm.go(3.45 KB)
📄 defs_linux_arm64.go(3.21 KB)
📄 defs_linux_mips64x.go(3.24 KB)
📄 defs_linux_mipsx.go(3.21 KB)
📄 defs_linux_ppc64.go(3.28 KB)
📄 defs_linux_ppc64le.go(3.28 KB)
📄 defs_linux_riscv64.go(3.27 KB)
📄 defs_linux_s390x.go(2.76 KB)
📄 defs_netbsd.go(2.76 KB)
📄 defs_netbsd_386.go(872 B)
📄 defs_netbsd_amd64.go(1.03 KB)
📄 defs_netbsd_arm.go(781 B)
📄 defs_openbsd.go(3.1 KB)
📄 defs_openbsd_386.go(2.89 KB)
📄 defs_openbsd_amd64.go(3.09 KB)
📄 defs_openbsd_arm.go(3 KB)
📄 defs_openbsd_arm64.go(2.76 KB)
📄 defs_openbsd_mips64.go(2.66 KB)
📄 defs_plan9_386.go(1.63 KB)
📄 defs_plan9_amd64.go(1.82 KB)
📄 defs_plan9_arm.go(1.73 KB)
📄 defs_solaris.go(3.35 KB)
📄 defs_solaris_amd64.go(1021 B)
📄 defs_windows.go(2.09 KB)
📄 defs_windows_386.go(1.98 KB)
📄 defs_windows_amd64.go(2.71 KB)
📄 defs_windows_arm.go(2.11 KB)
📄 defs_windows_arm64.go(2.63 KB)
📄 duff_386.s(8.24 KB)
📄 duff_amd64.s(5.62 KB)
📄 duff_arm.s(7.11 KB)
📄 duff_arm64.s(5.25 KB)
📄 duff_mips64x.s(11.31 KB)
📄 duff_ppc64x.s(2.43 KB)
📄 duff_riscv64.s(11.38 KB)
📄 duff_s390x.s(507 B)
📄 env_plan9.go(2.99 KB)
📄 env_posix.go(1.95 KB)
📄 env_test.go(1.16 KB)
📄 error.go(9.23 KB)
📄 example_test.go(1.55 KB)
📄 export_aix_test.go(204 B)
📄 export_arm_test.go(226 B)
📄 export_darwin_test.go(351 B)
📄 export_debug_regabiargs_off_test.go(416 B)
📄 export_debug_regabiargs_on_test.go(1.39 KB)
📄 export_debug_test.go(5.86 KB)
📄 export_debuglog_test.go(1.27 KB)
📄 export_futex_test.go(570 B)
📄 export_linux_test.go(429 B)
📄 export_mmap_test.go(571 B)
📄 export_pipe2_test.go(436 B)
📄 export_pipe_test.go(240 B)
📄 export_solaris_test.go(282 B)
📄 export_test.go(30.12 KB)
📄 export_unix_test.go(2.35 KB)
📄 export_windows_test.go(652 B)
📄 extern.go(12.58 KB)
📄 fastlog2.go(1.22 KB)
📄 fastlog2_test.go(784 B)
📄 fastlog2table.go(904 B)
📄 float.go(1.35 KB)
📄 funcdata.h(2.47 KB)
📄 futex_test.go(2.15 KB)
📄 gc_test.go(19.21 KB)
📄 gcinfo_test.go(5.69 KB)
📄 go_tls.h(366 B)
📄 hash32.go(1.61 KB)
📄 hash64.go(2.01 KB)
📄 hash_test.go(16.5 KB)
📄 heapdump.go(17.74 KB)
📄 histogram.go(6.42 KB)
📄 histogram_test.go(1.85 KB)
📄 iface.go(16.13 KB)
📄 iface_test.go(7.51 KB)
📁 internal
📄 lfstack.go(1.77 KB)
📄 lfstack_32bit.go(562 B)
📄 lfstack_64bit.go(2.24 KB)
📄 lfstack_test.go(2.78 KB)
📄 libfuzzer.go(2.6 KB)
📄 libfuzzer_amd64.s(961 B)
📄 libfuzzer_arm64.s(772 B)
📄 lock_futex.go(5.22 KB)
📄 lock_js.go(5.81 KB)
📄 lock_sema.go(6.8 KB)
📄 lockrank.go(11.62 KB)
📄 lockrank_off.go(1.17 KB)
📄 lockrank_on.go(9.84 KB)
📄 lockrank_test.go(1.15 KB)
📄 malloc.go(52.33 KB)
📄 malloc_test.go(10.83 KB)
📄 map.go(42.47 KB)
📄 map_benchmark_test.go(10.51 KB)
📄 map_fast32.go(12.63 KB)
📄 map_fast64.go(12.82 KB)
📄 map_faststr.go(14.15 KB)
📄 map_test.go(27.52 KB)
📄 mbarrier.go(12.2 KB)
📄 mbitmap.go(65.27 KB)
📄 mcache.go(9.68 KB)
📄 mcentral.go(7.8 KB)
📄 mcheckmark.go(2.81 KB)
📄 mem_aix.go(1.94 KB)
📄 mem_bsd.go(2.12 KB)
📄 mem_darwin.go(1.88 KB)
📄 mem_js.go(2.35 KB)
📄 mem_linux.go(5.59 KB)
📄 mem_plan9.go(4.53 KB)
📄 mem_windows.go(3.87 KB)
📄 memclr_386.s(2.42 KB)
📄 memclr_amd64.s(3.89 KB)
📄 memclr_arm.s(2.6 KB)
📄 memclr_arm64.s(3.65 KB)
📄 memclr_mips64x.s(1.75 KB)
📄 memclr_mipsx.s(1.35 KB)
📄 memclr_plan9_386.s(983 B)
📄 memclr_plan9_amd64.s(511 B)
📄 memclr_ppc64x.s(4.31 KB)
📄 memclr_riscv64.s(926 B)
📄 memclr_s390x.s(1.96 KB)
📄 memclr_wasm.s(622 B)
📄 memmove_386.s(4.46 KB)
📄 memmove_amd64.s(12.66 KB)
📄 memmove_arm.s(5.9 KB)
📄 memmove_arm64.s(6 KB)
📄 memmove_linux_amd64_test.go(1.6 KB)
📄 memmove_mips64x.s(1.85 KB)
📄 memmove_mipsx.s(4.42 KB)
📄 memmove_plan9_386.s(3.06 KB)
📄 memmove_plan9_amd64.s(3.04 KB)
📄 memmove_ppc64x.s(4.11 KB)
📄 memmove_riscv64.s(1.81 KB)
📄 memmove_s390x.s(2.92 KB)
📄 memmove_test.go(12.04 KB)
📄 memmove_wasm.s(1.74 KB)
📁 metrics
📄 metrics.go(17.69 KB)
📄 metrics_test.go(12.48 KB)
📄 mfinal.go(15.76 KB)
📄 mfinal_test.go(5.85 KB)
📄 mfixalloc.go(2.73 KB)
📄 mgc.go(55.18 KB)
📄 mgcmark.go(45.54 KB)
📄 mgcpacer.go(29.56 KB)
📄 mgcscavenge.go(35.05 KB)
📄 mgcscavenge_test.go(12.74 KB)
📄 mgcstack.go(10.58 KB)
📄 mgcsweep.go(23.56 KB)
📄 mgcwork.go(12.82 KB)
📄 mheap.go(66.31 KB)
📄 mkduff.go(7.19 KB)
📄 mkfastlog2table.go(1.32 KB)
📄 mkpreempt.go(14.17 KB)
📄 mksizeclasses.go(9.31 KB)
📄 mmap.go(990 B)
📄 mpagealloc.go(36.77 KB)
📄 mpagealloc_32bit.go(3.81 KB)
📄 mpagealloc_64bit.go(6.65 KB)
📄 mpagealloc_test.go(32.38 KB)
📄 mpagecache.go(5.28 KB)
📄 mpagecache_test.go(9.93 KB)
📄 mpallocbits.go(12.01 KB)
📄 mpallocbits_test.go(13.69 KB)
📄 mprof.go(25.82 KB)
📄 mranges.go(11.84 KB)
📄 mranges_test.go(5.68 KB)
📁 msan
📄 msan.go(1.51 KB)
📄 msan0.go(741 B)
📄 msan_amd64.s(2.32 KB)
📄 msan_arm64.s(2.01 KB)
📄 msize.go(777 B)
📄 mspanset.go(12.2 KB)
📄 mstats.go(30.65 KB)
📄 mwbbuf.go(9.3 KB)
📄 nbpipe_fcntl_libc_test.go(499 B)
📄 nbpipe_fcntl_unix_test.go(507 B)
📄 nbpipe_pipe.go(426 B)
📄 nbpipe_pipe2.go(592 B)
📄 nbpipe_test.go(2.26 KB)
📄 net_plan9.go(645 B)
📄 netpoll.go(16.24 KB)
📄 netpoll_aix.go(4.87 KB)
📄 netpoll_epoll.go(4.21 KB)
📄 netpoll_fake.go(670 B)
📄 netpoll_kqueue.go(4.64 KB)
📄 netpoll_os_test.go(360 B)
📄 netpoll_solaris.go(10.75 KB)
📄 netpoll_stub.go(1.42 KB)
📄 netpoll_windows.go(3.75 KB)
📄 norace_linux_test.go(905 B)
📄 norace_test.go(996 B)
📄 numcpu_freebsd_test.go(381 B)
📄 os2_aix.go(20.45 KB)
📄 os2_freebsd.go(302 B)
📄 os2_openbsd.go(296 B)
📄 os2_plan9.go(1.48 KB)
📄 os2_solaris.go(320 B)
📄 os3_plan9.go(3.88 KB)
📄 os3_solaris.go(17.02 KB)
📄 os_aix.go(8.06 KB)
📄 os_android.go(463 B)
📄 os_darwin.go(11.54 KB)
📄 os_darwin_arm64.go(416 B)
📄 os_dragonfly.go(6.46 KB)
📄 os_freebsd.go(11.2 KB)
📄 os_freebsd2.go(507 B)
📄 os_freebsd_amd64.go(529 B)
📄 os_freebsd_arm.go(1.32 KB)
📄 os_freebsd_arm64.go(398 B)
📄 os_freebsd_noauxv.go(264 B)
📄 os_illumos.go(3.93 KB)
📄 os_js.go(3.26 KB)
📄 os_linux.go(13.47 KB)
📄 os_linux_arm.go(1.35 KB)
📄 os_linux_arm64.go(572 B)
📄 os_linux_be64.go(862 B)
📄 os_linux_generic.go(950 B)
📄 os_linux_mips64x.go(1.11 KB)
📄 os_linux_mipsx.go(1.09 KB)
📄 os_linux_noauxv.go(408 B)
📄 os_linux_novdso.go(387 B)
📄 os_linux_ppc64x.go(566 B)
📄 os_linux_riscv64.go(198 B)
📄 os_linux_s390x.go(316 B)
📄 os_linux_x86.go(270 B)
📄 os_netbsd.go(9.09 KB)
📄 os_netbsd_386.go(588 B)
📄 os_netbsd_amd64.go(585 B)
📄 os_netbsd_arm.go(1.13 KB)
📄 os_netbsd_arm64.go(827 B)
📄 os_nonopenbsd.go(456 B)
📄 os_only_solaris.go(376 B)
📄 os_openbsd.go(6.01 KB)
📄 os_openbsd_arm.go(749 B)
📄 os_openbsd_arm64.go(416 B)
📄 os_openbsd_libc.go(1.7 KB)
📄 os_openbsd_mips64.go(416 B)
📄 os_openbsd_syscall.go(1.27 KB)
📄 os_openbsd_syscall1.go(466 B)
📄 os_openbsd_syscall2.go(2.5 KB)
📄 os_plan9.go(10.2 KB)
📄 os_plan9_arm.go(462 B)
📄 os_solaris.go(6.49 KB)
📄 os_windows.go(43.68 KB)
📄 os_windows_arm.go(511 B)
📄 os_windows_arm64.go(339 B)
📄 panic.go(44.28 KB)
📄 panic32.go(4.83 KB)
📄 panic_test.go(1.71 KB)
📄 plugin.go(4.27 KB)
📁 pprof
📄 preempt.go(15.4 KB)
📄 preempt_386.s(1.07 KB)
📄 preempt_amd64.s(1.81 KB)
📄 preempt_arm.s(1.66 KB)
📄 preempt_arm64.s(2.99 KB)
📄 preempt_mips64x.s(2.93 KB)
📄 preempt_mipsx.s(2.89 KB)
📄 preempt_nonwindows.go(309 B)
📄 preempt_ppc64x.s(2.92 KB)
📄 preempt_riscv64.s(2.48 KB)
📄 preempt_s390x.s(1.19 KB)
📄 preempt_wasm.s(365 B)
📄 print.go(5.95 KB)
📄 proc.go(181.46 KB)
📄 proc_runtime_test.go(820 B)
📄 proc_test.go(25.02 KB)
📄 profbuf.go(18.26 KB)
📄 profbuf_test.go(8.65 KB)
📄 proflabel.go(1.52 KB)
📁 race
📄 race.go(18.56 KB)
📄 race0.go(2.81 KB)
📄 race_amd64.s(14.46 KB)
📄 race_arm64.s(13.71 KB)
📄 race_ppc64le.s(17.72 KB)
📄 rand_test.go(783 B)
📄 rdebug.go(553 B)
📄 relax_stub.go(617 B)
📄 rt0_aix_ppc64.s(4.33 KB)
📄 rt0_android_386.s(822 B)
📄 rt0_android_amd64.s(754 B)
📄 rt0_android_arm.s(843 B)
📄 rt0_android_arm64.s(941 B)
📄 rt0_darwin_amd64.s(399 B)
📄 rt0_darwin_arm64.s(2.27 KB)
📄 rt0_dragonfly_amd64.s(448 B)
📄 rt0_freebsd_386.s(454 B)
📄 rt0_freebsd_amd64.s(442 B)
📄 rt0_freebsd_arm.s(298 B)
📄 rt0_freebsd_arm64.s(2.46 KB)
📄 rt0_illumos_amd64.s(311 B)
📄 rt0_ios_amd64.s(425 B)
📄 rt0_ios_arm64.s(425 B)
📄 rt0_js_wasm.s(2.3 KB)
📄 rt0_linux_386.s(450 B)
📄 rt0_linux_amd64.s(307 B)
📄 rt0_linux_arm.s(1007 B)
📄 rt0_linux_arm64.s(2.39 KB)
📄 rt0_linux_mips64x.s(1.03 KB)
📄 rt0_linux_mipsx.s(835 B)
📄 rt0_linux_ppc64.s(865 B)
📄 rt0_linux_ppc64le.s(3.88 KB)
📄 rt0_linux_riscv64.s(370 B)
📄 rt0_linux_s390x.s(676 B)
📄 rt0_netbsd_386.s(452 B)
📄 rt0_netbsd_amd64.s(309 B)
📄 rt0_netbsd_arm.s(296 B)
📄 rt0_netbsd_arm64.s(2.38 KB)
📄 rt0_openbsd_386.s(454 B)
📄 rt0_openbsd_amd64.s(311 B)
📄 rt0_openbsd_arm.s(298 B)
📄 rt0_openbsd_arm64.s(2.54 KB)
📄 rt0_openbsd_mips64.s(976 B)
📄 rt0_plan9_386.s(523 B)
📄 rt0_plan9_amd64.s(481 B)
📄 rt0_plan9_arm.s(397 B)
📄 rt0_solaris_amd64.s(311 B)
📄 rt0_windows_386.s(1.28 KB)
📄 rt0_windows_amd64.s(986 B)
📄 rt0_windows_arm.s(386 B)
📄 rt0_windows_arm64.s(725 B)
📄 runtime-gdb.py(15.02 KB)
📄 runtime-gdb_test.go(20.19 KB)
📄 runtime-lldb_test.go(4.95 KB)
📄 runtime.go(1.42 KB)
📄 runtime1.go(12.63 KB)
📄 runtime2.go(42.27 KB)
📄 runtime_linux_test.go(1.46 KB)
📄 runtime_mmap_test.go(1.91 KB)
📄 runtime_test.go(7.81 KB)
📄 runtime_unix_test.go(1.29 KB)
📄 rwmutex.go(3.53 KB)
📄 rwmutex_test.go(4.03 KB)
📄 select.go(14.45 KB)
📄 sema.go(16.08 KB)
📄 sema_test.go(2.5 KB)
📄 semasleep_test.go(1.65 KB)
📄 sigaction.go(543 B)
📄 signal_386.go(1.72 KB)
📄 signal_aix_ppc64.go(3.56 KB)
📄 signal_amd64.go(2.71 KB)
📄 signal_arm.go(2.56 KB)
📄 signal_arm64.go(3.16 KB)
📄 signal_darwin.go(2.13 KB)
📄 signal_darwin_amd64.go(3.85 KB)
📄 signal_darwin_arm64.go(3.6 KB)
📄 signal_dragonfly.go(2.17 KB)
📄 signal_dragonfly_amd64.go(2.01 KB)
📄 signal_freebsd.go(2.2 KB)
📄 signal_freebsd_386.go(1.55 KB)
📄 signal_freebsd_amd64.go(2.03 KB)
📄 signal_freebsd_arm.go(2.18 KB)
📄 signal_freebsd_arm64.go(3.23 KB)
📄 signal_linux_386.go(1.59 KB)
📄 signal_linux_amd64.go(2.05 KB)
📄 signal_linux_arm.go(2.13 KB)
📄 signal_linux_arm64.go(2.95 KB)
📄 signal_linux_mips64x.go(3.39 KB)
📄 signal_linux_mipsx.go(3.7 KB)
📄 signal_linux_ppc64x.go(3.46 KB)
📄 signal_linux_riscv64.go(2.92 KB)
📄 signal_linux_s390x.go(4.43 KB)
📄 signal_mips64x.go(3.2 KB)
📄 signal_mipsx.go(3.07 KB)
📄 signal_netbsd.go(2.18 KB)
📄 signal_netbsd_386.go(1.76 KB)
📄 signal_netbsd_amd64.go(2.33 KB)
📄 signal_netbsd_arm.go(2.3 KB)
📄 signal_netbsd_arm64.go(3.4 KB)
📄 signal_openbsd.go(2.18 KB)
📄 signal_openbsd_386.go(1.58 KB)
📄 signal_openbsd_amd64.go(2.04 KB)
📄 signal_openbsd_arm.go(2.12 KB)
📄 signal_openbsd_arm64.go(3.38 KB)
📄 signal_openbsd_mips64.go(3.28 KB)
📄 signal_plan9.go(1.93 KB)
📄 signal_ppc64x.go(3.64 KB)
📄 signal_riscv64.go(2.88 KB)
📄 signal_solaris.go(4.5 KB)
📄 signal_solaris_amd64.go(2.47 KB)
📄 signal_unix.go(37.82 KB)
📄 signal_windows.go(9.2 KB)
📄 signal_windows_test.go(5.73 KB)
📄 sigqueue.go(8.76 KB)
📄 sigqueue_note.go(673 B)
📄 sigqueue_plan9.go(3.39 KB)
📄 sigtab_aix.go(11.3 KB)
📄 sigtab_linux_generic.go(3.56 KB)
📄 sigtab_linux_mipsx.go(6.01 KB)
📄 sizeclasses.go(9.14 KB)
📄 sizeof_test.go(905 B)
📄 slice.go(8.94 KB)
📄 slice_test.go(10.32 KB)
📄 softfloat64.go(10.78 KB)
📄 softfloat64_test.go(4.05 KB)
📄 stack.go(41.92 KB)
📄 stack_test.go(21.05 KB)
📄 string.go(10.85 KB)
📄 string_test.go(9.62 KB)
📄 stubs.go(18.17 KB)
📄 stubs2.go(1.14 KB)
📄 stubs3.go(331 B)
📄 stubs_386.go(550 B)
📄 stubs_amd64.go(1.2 KB)
📄 stubs_arm.go(531 B)
📄 stubs_arm64.go(351 B)
📄 stubs_linux.go(663 B)
📄 stubs_mips64x.go(390 B)
📄 stubs_mipsx.go(305 B)
📄 stubs_nonlinux.go(315 B)
📄 stubs_ppc64.go(383 B)
📄 stubs_ppc64le.go(271 B)
📄 stubs_s390x.go(256 B)
📄 symtab.go(32.29 KB)
📄 symtab_test.go(6.78 KB)
📄 sys_aix_ppc64.s(7.13 KB)
📄 sys_arm.go(521 B)
📄 sys_arm64.go(469 B)
📄 sys_darwin.go(15.91 KB)
📄 sys_darwin_amd64.s(18.52 KB)
📄 sys_darwin_arm64.go(1.68 KB)
📄 sys_darwin_arm64.s(17.23 KB)
📄 sys_dragonfly_amd64.s(8.42 KB)
📄 sys_freebsd_386.s(8.98 KB)
📄 sys_freebsd_amd64.s(10.55 KB)
📄 sys_freebsd_arm.s(10.69 KB)
📄 sys_freebsd_arm64.s(10.33 KB)
📄 sys_libc.go(1.87 KB)
📄 sys_linux_386.s(18.17 KB)
📄 sys_linux_amd64.s(16.25 KB)
📄 sys_linux_arm.s(15.84 KB)
📄 sys_linux_arm64.s(15.26 KB)
📄 sys_linux_mips64x.s(13.4 KB)
📄 sys_linux_mipsx.s(11.16 KB)
📄 sys_linux_ppc64x.s(21.48 KB)
📄 sys_linux_riscv64.s(10.35 KB)
📄 sys_linux_s390x.s(10.52 KB)
📄 sys_mips64x.go(526 B)
📄 sys_mipsx.go(518 B)
📄 sys_netbsd_386.s(10.13 KB)
📄 sys_netbsd_amd64.s(9.91 KB)
📄 sys_netbsd_arm.s(10.94 KB)
📄 sys_netbsd_arm64.s(10.42 KB)
📄 sys_nonppc64x.go(271 B)
📄 sys_openbsd.go(2.3 KB)
📄 sys_openbsd1.go(1.16 KB)
📄 sys_openbsd2.go(7.31 KB)
📄 sys_openbsd3.go(3.29 KB)
📄 sys_openbsd_386.s(19.97 KB)
📄 sys_openbsd_amd64.s(16.44 KB)
📄 sys_openbsd_arm.s(18.09 KB)
📄 sys_openbsd_arm64.s(15.92 KB)
📄 sys_openbsd_mips64.s(9.22 KB)
📄 sys_plan9_386.s(4.4 KB)
📄 sys_plan9_amd64.s(4.47 KB)
📄 sys_plan9_arm.s(7.03 KB)
📄 sys_ppc64x.go(556 B)
📄 sys_riscv64.go(469 B)
📄 sys_s390x.go(469 B)
📄 sys_solaris_amd64.s(6.69 KB)
📄 sys_wasm.go(732 B)
📄 sys_wasm.s(2.65 KB)
📄 sys_windows_386.s(7.74 KB)
📄 sys_windows_amd64.s(9.16 KB)
📄 sys_windows_arm.s(12.02 KB)
📄 sys_windows_arm64.s(12.51 KB)
📄 sys_x86.go(574 B)
📄 syscall2_solaris.go(1.65 KB)
📄 syscall_aix.go(5.99 KB)
📄 syscall_solaris.go(8.26 KB)
📄 syscall_windows.go(16.48 KB)
📄 syscall_windows_test.go(32.53 KB)
📁 testdata
📄 textflag.h(1.52 KB)
📄 time.go(30.56 KB)
📄 time_fake.go(2.38 KB)
📄 time_linux_amd64.s(2.18 KB)
📄 time_nofake.go(587 B)
📄 time_test.go(2.03 KB)
📄 time_windows.h(694 B)
📄 time_windows_386.s(1.81 KB)
📄 time_windows_amd64.s(1.07 KB)
📄 time_windows_arm.s(2.07 KB)
📄 time_windows_arm64.s(1.33 KB)
📄 timeasm.go(468 B)
📄 timestub.go(595 B)
📄 timestub2.go(447 B)
📄 tls_arm.s(3.33 KB)
📄 tls_arm64.h(1.22 KB)
📄 tls_arm64.s(1.2 KB)
📄 tls_mips64x.s(759 B)
📄 tls_mipsx.s(731 B)
📄 tls_ppc64x.s(1.52 KB)
📄 tls_riscv64.s(726 B)
📄 tls_s390x.s(1.55 KB)
📄 tls_stub.go(294 B)
📄 tls_windows_amd64.go(294 B)
📁 trace
📄 trace.go(38.36 KB)
📄 traceback.go(46.51 KB)
📄 traceback_test.go(8.04 KB)
📄 type.go(18.59 KB)
📄 typekind.go(742 B)
📄 utf8.go(3.39 KB)
📄 vdso_elf32.go(2.79 KB)
📄 vdso_elf64.go(2.87 KB)
📄 vdso_freebsd.go(2.46 KB)
📄 vdso_freebsd_arm.go(454 B)
📄 vdso_freebsd_arm64.go(443 B)
📄 vdso_freebsd_x86.go(1.89 KB)
📄 vdso_in_none.go(490 B)
📄 vdso_linux.go(7.77 KB)
📄 vdso_linux_386.go(669 B)
📄 vdso_linux_amd64.go(685 B)
📄 vdso_linux_arm.go(669 B)
📄 vdso_linux_arm64.go(670 B)
📄 vdso_linux_mips64x.go(892 B)
📄 vdso_linux_ppc64x.go(712 B)
📄 vlop_386.s(2.02 KB)
📄 vlop_arm.s(7.06 KB)
📄 vlop_arm_test.go(3.75 KB)
📄 vlrt.go(5.91 KB)
📄 wincallback.go(3.52 KB)
📄 write_err.go(310 B)
📄 write_err_android.go(4.65 KB)
📄 zcallback_windows.go(155 B)
📄 zcallback_windows.s(63.05 KB)
📄 zcallback_windows_arm.s(89.34 KB)
📄 zcallback_windows_arm64.s(89.34 KB)

Editing: os3_solaris.go

// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package runtime

import (
	"runtime/internal/sys"
	"unsafe"
)

//go:cgo_export_dynamic runtime.end _end
//go:cgo_export_dynamic runtime.etext _etext
//go:cgo_export_dynamic runtime.edata _edata

//go:cgo_import_dynamic libc____errno ___errno "libc.so"
//go:cgo_import_dynamic libc_clock_gettime clock_gettime "libc.so"
//go:cgo_import_dynamic libc_exit exit "libc.so"
//go:cgo_import_dynamic libc_getcontext getcontext "libc.so"
//go:cgo_import_dynamic libc_kill kill "libc.so"
//go:cgo_import_dynamic libc_madvise madvise "libc.so"
//go:cgo_import_dynamic libc_malloc malloc "libc.so"
//go:cgo_import_dynamic libc_mmap mmap "libc.so"
//go:cgo_import_dynamic libc_munmap munmap "libc.so"
//go:cgo_import_dynamic libc_open open "libc.so"
//go:cgo_import_dynamic libc_pthread_attr_destroy pthread_attr_destroy "libc.so"
//go:cgo_import_dynamic libc_pthread_attr_getstack pthread_attr_getstack "libc.so"
//go:cgo_import_dynamic libc_pthread_attr_init pthread_attr_init "libc.so"
//go:cgo_import_dynamic libc_pthread_attr_setdetachstate pthread_attr_setdetachstate "libc.so"
//go:cgo_import_dynamic libc_pthread_attr_setstack pthread_attr_setstack "libc.so"
//go:cgo_import_dynamic libc_pthread_create pthread_create "libc.so"
//go:cgo_import_dynamic libc_pthread_self pthread_self "libc.so"
//go:cgo_import_dynamic libc_pthread_kill pthread_kill "libc.so"
//go:cgo_import_dynamic libc_raise raise "libc.so"
//go:cgo_import_dynamic libc_read read "libc.so"
//go:cgo_import_dynamic libc_select select "libc.so"
//go:cgo_import_dynamic libc_sched_yield sched_yield "libc.so"
//go:cgo_import_dynamic libc_sem_init sem_init "libc.so"
//go:cgo_import_dynamic libc_sem_post sem_post "libc.so"
//go:cgo_import_dynamic libc_sem_reltimedwait_np sem_reltimedwait_np "libc.so"
//go:cgo_import_dynamic libc_sem_wait sem_wait "libc.so"
//go:cgo_import_dynamic libc_setitimer setitimer "libc.so"
//go:cgo_import_dynamic libc_sigaction sigaction "libc.so"
//go:cgo_import_dynamic libc_sigaltstack sigaltstack "libc.so"
//go:cgo_import_dynamic libc_sigprocmask sigprocmask "libc.so"
//go:cgo_import_dynamic libc_sysconf sysconf "libc.so"
//go:cgo_import_dynamic libc_usleep usleep "libc.so"
//go:cgo_import_dynamic libc_write write "libc.so"
//go:cgo_import_dynamic libc_pipe pipe "libc.so"
//go:cgo_import_dynamic libc_pipe2 pipe2 "libc.so"

//go:linkname libc____errno libc____errno
//go:linkname libc_clock_gettime libc_clock_gettime
//go:linkname libc_exit libc_exit
//go:linkname libc_getcontext libc_getcontext
//go:linkname libc_kill libc_kill
//go:linkname libc_madvise libc_madvise
//go:linkname libc_malloc libc_malloc
//go:linkname libc_mmap libc_mmap
//go:linkname libc_munmap libc_munmap
//go:linkname libc_open libc_open
//go:linkname libc_pthread_attr_destroy libc_pthread_attr_destroy
//go:linkname libc_pthread_attr_getstack libc_pthread_attr_getstack
//go:linkname libc_pthread_attr_init libc_pthread_attr_init
//go:linkname libc_pthread_attr_setdetachstate libc_pthread_attr_setdetachstate
//go:linkname libc_pthread_attr_setstack libc_pthread_attr_setstack
//go:linkname libc_pthread_create libc_pthread_create
//go:linkname libc_pthread_self libc_pthread_self
//go:linkname libc_pthread_kill libc_pthread_kill
//go:linkname libc_raise libc_raise
//go:linkname libc_read libc_read
//go:linkname libc_select libc_select
//go:linkname libc_sched_yield libc_sched_yield
//go:linkname libc_sem_init libc_sem_init
//go:linkname libc_sem_post libc_sem_post
//go:linkname libc_sem_reltimedwait_np libc_sem_reltimedwait_np
//go:linkname libc_sem_wait libc_sem_wait
//go:linkname libc_setitimer libc_setitimer
//go:linkname libc_sigaction libc_sigaction
//go:linkname libc_sigaltstack libc_sigaltstack
//go:linkname libc_sigprocmask libc_sigprocmask
//go:linkname libc_sysconf libc_sysconf
//go:linkname libc_usleep libc_usleep
//go:linkname libc_write libc_write
//go:linkname libc_pipe libc_pipe
//go:linkname libc_pipe2 libc_pipe2

var (
	libc____errno,
	libc_clock_gettime,
	libc_exit,
	libc_getcontext,
	libc_kill,
	libc_madvise,
	libc_malloc,
	libc_mmap,
	libc_munmap,
	libc_open,
	libc_pthread_attr_destroy,
	libc_pthread_attr_getstack,
	libc_pthread_attr_init,
	libc_pthread_attr_setdetachstate,
	libc_pthread_attr_setstack,
	libc_pthread_create,
	libc_pthread_self,
	libc_pthread_kill,
	libc_raise,
	libc_read,
	libc_sched_yield,
	libc_select,
	libc_sem_init,
	libc_sem_post,
	libc_sem_reltimedwait_np,
	libc_sem_wait,
	libc_setitimer,
	libc_sigaction,
	libc_sigaltstack,
	libc_sigprocmask,
	libc_sysconf,
	libc_usleep,
	libc_write,
	libc_pipe,
	libc_pipe2 libcFunc
)

var sigset_all = sigset{[4]uint32{^uint32(0), ^uint32(0), ^uint32(0), ^uint32(0)}}

func getPageSize() uintptr {
	n := int32(sysconf(__SC_PAGESIZE))
	if n <= 0 {
		return 0
	}
	return uintptr(n)
}

func osinit() {
	ncpu = getncpu()
	if physPageSize == 0 {
		physPageSize = getPageSize()
	}
}

func tstart_sysvicall(newm *m) uint32

// May run with m.p==nil, so write barriers are not allowed.
//go:nowritebarrier
func newosproc(mp *m) {
	var (
		attr pthreadattr
		oset sigset
		tid  pthread
		ret  int32
		size uint64
	)

if pthread_attr_init(&attr) != 0 {
		throw("pthread_attr_init")
	}
	// Allocate a new 2MB stack.
	if pthread_attr_setstack(&attr, 0, 0x200000) != 0 {
		throw("pthread_attr_setstack")
	}
	// Read back the allocated stack.
	if pthread_attr_getstack(&attr, unsafe.Pointer(&mp.g0.stack.hi), &size) != 0 {
		throw("pthread_attr_getstack")
	}
	mp.g0.stack.lo = mp.g0.stack.hi - uintptr(size)
	if pthread_attr_setdetachstate(&attr, _PTHREAD_CREATE_DETACHED) != 0 {
		throw("pthread_attr_setdetachstate")
	}

// Disable signals during create, so that the new thread starts
	// with signals disabled. It will enable them in minit.
	sigprocmask(_SIG_SETMASK, &sigset_all, &oset)
	ret = pthread_create(&tid, &attr, funcPC(tstart_sysvicall), unsafe.Pointer(mp))
	sigprocmask(_SIG_SETMASK, &oset, nil)
	if ret != 0 {
		print("runtime: failed to create new OS thread (have ", mcount(), " already; errno=", ret, ")\n")
		if ret == -_EAGAIN {
			println("runtime: may need to increase max user processes (ulimit -u)")
		}
		throw("newosproc")
	}
}

func exitThread(wait *uint32) {
	// We should never reach exitThread on Solaris because we let
	// libc clean up threads.
	throw("exitThread")
}

var urandom_dev = []byte("/dev/urandom\x00")

//go:nosplit
func getRandomData(r []byte) {
	fd := open(&urandom_dev[0], 0 /* O_RDONLY */, 0)
	n := read(fd, unsafe.Pointer(&r[0]), int32(len(r)))
	closefd(fd)
	extendRandom(r, int(n))
}

func goenvs() {
	goenvs_unix()
}

// Called to initialize a new m (including the bootstrap m).
// Called on the parent thread (main thread in case of bootstrap), can allocate memory.
func mpreinit(mp *m) {
	mp.gsignal = malg(32 * 1024)
	mp.gsignal.m = mp
}

func miniterrno()

// Called to initialize a new m (including the bootstrap m).
// Called on the new thread, cannot allocate memory.
func minit() {
	asmcgocall(unsafe.Pointer(funcPC(miniterrno)), unsafe.Pointer(&libc____errno))

minitSignals()

getg().m.procid = uint64(pthread_self())
}

// Called from dropm to undo the effect of an minit.
func unminit() {
	unminitSignals()
}

// Called from exitm, but not from drop, to undo the effect of thread-owned
// resources in minit, semacreate, or elsewhere. Do not take locks after calling this.
func mdestroy(mp *m) {
}

func sigtramp()

//go:nosplit
//go:nowritebarrierrec
func setsig(i uint32, fn uintptr) {
	var sa sigactiont

sa.sa_flags = _SA_SIGINFO | _SA_ONSTACK | _SA_RESTART
	sa.sa_mask = sigset_all
	if fn == funcPC(sighandler) {
		fn = funcPC(sigtramp)
	}
	*((*uintptr)(unsafe.Pointer(&sa._funcptr))) = fn
	sigaction(i, &sa, nil)
}

//go:nosplit
//go:nowritebarrierrec
func setsigstack(i uint32) {
	var sa sigactiont
	sigaction(i, nil, &sa)
	if sa.sa_flags&_SA_ONSTACK != 0 {
		return
	}
	sa.sa_flags |= _SA_ONSTACK
	sigaction(i, &sa, nil)
}

//go:nosplit
//go:nowritebarrierrec
func getsig(i uint32) uintptr {
	var sa sigactiont
	sigaction(i, nil, &sa)
	return *((*uintptr)(unsafe.Pointer(&sa._funcptr)))
}

// setSignaltstackSP sets the ss_sp field of a stackt.
//go:nosplit
func setSignalstackSP(s *stackt, sp uintptr) {
	*(*uintptr)(unsafe.Pointer(&s.ss_sp)) = sp
}

//go:nosplit
//go:nowritebarrierrec
func sigaddset(mask *sigset, i int) {
	mask.__sigbits[(i-1)/32] |= 1 << ((uint32(i) - 1) & 31)
}

func sigdelset(mask *sigset, i int) {
	mask.__sigbits[(i-1)/32] &^= 1 << ((uint32(i) - 1) & 31)
}

//go:nosplit
func (c *sigctxt) fixsigcode(sig uint32) {
}

//go:nosplit
func semacreate(mp *m) {
	if mp.waitsema != 0 {
		return
	}

var sem *semt
	_g_ := getg()

// Call libc's malloc rather than malloc. This will
	// allocate space on the C heap. We can't call malloc
	// here because it could cause a deadlock.
	_g_.m.libcall.fn = uintptr(unsafe.Pointer(&libc_malloc))
	_g_.m.libcall.n = 1
	_g_.m.scratch = mscratch{}
	_g_.m.scratch.v[0] = unsafe.Sizeof(*sem)
	_g_.m.libcall.args = uintptr(unsafe.Pointer(&_g_.m.scratch))
	asmcgocall(unsafe.Pointer(&asmsysvicall6x), unsafe.Pointer(&_g_.m.libcall))
	sem = (*semt)(unsafe.Pointer(_g_.m.libcall.r1))
	if sem_init(sem, 0, 0) != 0 {
		throw("sem_init")
	}
	mp.waitsema = uintptr(unsafe.Pointer(sem))
}

//go:nosplit
func semasleep(ns int64) int32 {
	_m_ := getg().m
	if ns >= 0 {
		_m_.ts.tv_sec = ns / 1000000000
		_m_.ts.tv_nsec = ns % 1000000000

_m_.libcall.fn = uintptr(unsafe.Pointer(&libc_sem_reltimedwait_np))
		_m_.libcall.n = 2
		_m_.scratch = mscratch{}
		_m_.scratch.v[0] = _m_.waitsema
		_m_.scratch.v[1] = uintptr(unsafe.Pointer(&_m_.ts))
		_m_.libcall.args = uintptr(unsafe.Pointer(&_m_.scratch))
		asmcgocall(unsafe.Pointer(&asmsysvicall6x), unsafe.Pointer(&_m_.libcall))
		if *_m_.perrno != 0 {
			if *_m_.perrno == _ETIMEDOUT || *_m_.perrno == _EAGAIN || *_m_.perrno == _EINTR {
				return -1
			}
			throw("sem_reltimedwait_np")
		}
		return 0
	}
	for {
		_m_.libcall.fn = uintptr(unsafe.Pointer(&libc_sem_wait))
		_m_.libcall.n = 1
		_m_.scratch = mscratch{}
		_m_.scratch.v[0] = _m_.waitsema
		_m_.libcall.args = uintptr(unsafe.Pointer(&_m_.scratch))
		asmcgocall(unsafe.Pointer(&asmsysvicall6x), unsafe.Pointer(&_m_.libcall))
		if _m_.libcall.r1 == 0 {
			break
		}
		if *_m_.perrno == _EINTR {
			continue
		}
		throw("sem_wait")
	}
	return 0
}

//go:nosplit
func semawakeup(mp *m) {
	if sem_post((*semt)(unsafe.Pointer(mp.waitsema))) != 0 {
		throw("sem_post")
	}
}

//go:nosplit
func closefd(fd int32) int32 {
	return int32(sysvicall1(&libc_close, uintptr(fd)))
}

//go:nosplit
func exit(r int32) {
	sysvicall1(&libc_exit, uintptr(r))
}

//go:nosplit
func getcontext(context *ucontext) /* int32 */ {
	sysvicall1(&libc_getcontext, uintptr(unsafe.Pointer(context)))
}

//go:nosplit
func madvise(addr unsafe.Pointer, n uintptr, flags int32) {
	sysvicall3(&libc_madvise, uintptr(addr), uintptr(n), uintptr(flags))
}

//go:nosplit
func mmap(addr unsafe.Pointer, n uintptr, prot, flags, fd int32, off uint32) (unsafe.Pointer, int) {
	p, err := doMmap(uintptr(addr), n, uintptr(prot), uintptr(flags), uintptr(fd), uintptr(off))
	if p == ^uintptr(0) {
		return nil, int(err)
	}
	return unsafe.Pointer(p), 0
}

//go:nosplit
func doMmap(addr, n, prot, flags, fd, off uintptr) (uintptr, uintptr) {
	var libcall libcall
	libcall.fn = uintptr(unsafe.Pointer(&libc_mmap))
	libcall.n = 6
	libcall.args = uintptr(noescape(unsafe.Pointer(&addr)))
	asmcgocall(unsafe.Pointer(&asmsysvicall6x), unsafe.Pointer(&libcall))
	return libcall.r1, libcall.err
}

//go:nosplit
func munmap(addr unsafe.Pointer, n uintptr) {
	sysvicall2(&libc_munmap, uintptr(addr), uintptr(n))
}

const (
	_CLOCK_REALTIME  = 3
	_CLOCK_MONOTONIC = 4
)

//go:nosplit
func nanotime1() int64 {
	var ts mts
	sysvicall2(&libc_clock_gettime, _CLOCK_MONOTONIC, uintptr(unsafe.Pointer(&ts)))
	return ts.tv_sec*1e9 + ts.tv_nsec
}

//go:nosplit
func open(path *byte, mode, perm int32) int32 {
	return int32(sysvicall3(&libc_open, uintptr(unsafe.Pointer(path)), uintptr(mode), uintptr(perm)))
}

func pthread_attr_destroy(attr *pthreadattr) int32 {
	return int32(sysvicall1(&libc_pthread_attr_destroy, uintptr(unsafe.Pointer(attr))))
}

func pthread_attr_getstack(attr *pthreadattr, addr unsafe.Pointer, size *uint64) int32 {
	return int32(sysvicall3(&libc_pthread_attr_getstack, uintptr(unsafe.Pointer(attr)), uintptr(addr), uintptr(unsafe.Pointer(size))))
}

func pthread_attr_init(attr *pthreadattr) int32 {
	return int32(sysvicall1(&libc_pthread_attr_init, uintptr(unsafe.Pointer(attr))))
}

func pthread_attr_setdetachstate(attr *pthreadattr, state int32) int32 {
	return int32(sysvicall2(&libc_pthread_attr_setdetachstate, uintptr(unsafe.Pointer(attr)), uintptr(state)))
}

func pthread_attr_setstack(attr *pthreadattr, addr uintptr, size uint64) int32 {
	return int32(sysvicall3(&libc_pthread_attr_setstack, uintptr(unsafe.Pointer(attr)), uintptr(addr), uintptr(size)))
}

func pthread_create(thread *pthread, attr *pthreadattr, fn uintptr, arg unsafe.Pointer) int32 {
	return int32(sysvicall4(&libc_pthread_create, uintptr(unsafe.Pointer(thread)), uintptr(unsafe.Pointer(attr)), uintptr(fn), uintptr(arg)))
}

func pthread_self() pthread {
	return pthread(sysvicall0(&libc_pthread_self))
}

func signalM(mp *m, sig int) {
	sysvicall2(&libc_pthread_kill, uintptr(pthread(mp.procid)), uintptr(sig))
}

//go:nosplit
//go:nowritebarrierrec
func raise(sig uint32) /* int32 */ {
	sysvicall1(&libc_raise, uintptr(sig))
}

func raiseproc(sig uint32) /* int32 */ {
	pid := sysvicall0(&libc_getpid)
	sysvicall2(&libc_kill, pid, uintptr(sig))
}

//go:nosplit
func read(fd int32, buf unsafe.Pointer, nbyte int32) int32 {
	r1, err := sysvicall3Err(&libc_read, uintptr(fd), uintptr(buf), uintptr(nbyte))
	if c := int32(r1); c >= 0 {
		return c
	}
	return -int32(err)
}

//go:nosplit
func sem_init(sem *semt, pshared int32, value uint32) int32 {
	return int32(sysvicall3(&libc_sem_init, uintptr(unsafe.Pointer(sem)), uintptr(pshared), uintptr(value)))
}

//go:nosplit
func sem_post(sem *semt) int32 {
	return int32(sysvicall1(&libc_sem_post, uintptr(unsafe.Pointer(sem))))
}

//go:nosplit
func sem_reltimedwait_np(sem *semt, timeout *timespec) int32 {
	return int32(sysvicall2(&libc_sem_reltimedwait_np, uintptr(unsafe.Pointer(sem)), uintptr(unsafe.Pointer(timeout))))
}

//go:nosplit
func sem_wait(sem *semt) int32 {
	return int32(sysvicall1(&libc_sem_wait, uintptr(unsafe.Pointer(sem))))
}

func setitimer(which int32, value *itimerval, ovalue *itimerval) /* int32 */ {
	sysvicall3(&libc_setitimer, uintptr(which), uintptr(unsafe.Pointer(value)), uintptr(unsafe.Pointer(ovalue)))
}

//go:nosplit
//go:nowritebarrierrec
func sigaction(sig uint32, act *sigactiont, oact *sigactiont) /* int32 */ {
	sysvicall3(&libc_sigaction, uintptr(sig), uintptr(unsafe.Pointer(act)), uintptr(unsafe.Pointer(oact)))
}

//go:nosplit
//go:nowritebarrierrec
func sigaltstack(ss *stackt, oss *stackt) /* int32 */ {
	sysvicall2(&libc_sigaltstack, uintptr(unsafe.Pointer(ss)), uintptr(unsafe.Pointer(oss)))
}

//go:nosplit
//go:nowritebarrierrec
func sigprocmask(how int32, set *sigset, oset *sigset) /* int32 */ {
	sysvicall3(&libc_sigprocmask, uintptr(how), uintptr(unsafe.Pointer(set)), uintptr(unsafe.Pointer(oset)))
}

func sysconf(name int32) int64 {
	return int64(sysvicall1(&libc_sysconf, uintptr(name)))
}

func usleep1(usec uint32)

//go:nosplit
func usleep_no_g(µs uint32) {
	usleep1(µs)
}

//go:nosplit
func usleep(µs uint32) {
	usleep1(µs)
}

func walltime() (sec int64, nsec int32) {
	var ts mts
	sysvicall2(&libc_clock_gettime, _CLOCK_REALTIME, uintptr(unsafe.Pointer(&ts)))
	return ts.tv_sec, int32(ts.tv_nsec)
}

//go:nosplit
func write1(fd uintptr, buf unsafe.Pointer, nbyte int32) int32 {
	r1, err := sysvicall3Err(&libc_write, fd, uintptr(buf), uintptr(nbyte))
	if c := int32(r1); c >= 0 {
		return c
	}
	return -int32(err)
}

//go:nosplit
func pipe() (r, w int32, errno int32) {
	var p [2]int32
	_, e := sysvicall1Err(&libc_pipe, uintptr(noescape(unsafe.Pointer(&p))))
	return p[0], p[1], int32(e)
}

//go:nosplit
func pipe2(flags int32) (r, w int32, errno int32) {
	var p [2]int32
	_, e := sysvicall2Err(&libc_pipe2, uintptr(noescape(unsafe.Pointer(&p))), uintptr(flags))
	return p[0], p[1], int32(e)
}

//go:nosplit
func closeonexec(fd int32) {
	fcntl(fd, _F_SETFD, _FD_CLOEXEC)
}

//go:nosplit
func setNonblock(fd int32) {
	flags := fcntl(fd, _F_GETFL, 0)
	fcntl(fd, _F_SETFL, flags|_O_NONBLOCK)
}

func osyield1()

//go:nosplit
func osyield_no_g() {
	osyield1()
}

//go:nosplit
func osyield() {
	sysvicall0(&libc_sched_yield)
}

//go:linkname executablePath os.executablePath
var executablePath string

func sysargs(argc int32, argv **byte) {
	n := argc + 1

// skip over argv, envp to get to auxv
	for argv_index(argv, n) != nil {
		n++
	}

// skip NULL separator
	n++

// now argv+n is auxv
	auxv := (*[1 << 28]uintptr)(add(unsafe.Pointer(argv), uintptr(n)*sys.PtrSize))
	sysauxv(auxv[:])
}

const (
	_AT_NULL         = 0    // Terminates the vector
	_AT_PAGESZ       = 6    // Page size in bytes
	_AT_SUN_EXECNAME = 2014 // exec() path name
)

func sysauxv(auxv []uintptr) {
	for i := 0; auxv[i] != _AT_NULL; i += 2 {
		tag, val := auxv[i], auxv[i+1]
		switch tag {
		case _AT_PAGESZ:
			physPageSize = val
		case _AT_SUN_EXECNAME:
			executablePath = gostringnocopy((*byte)(unsafe.Pointer(val)))
		}
	}
}

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