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cosmopolitan/libc/proc
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Justine Tunney 42a3bb729a
Make execve() linger when it can't spoof parent 
It's now possible to use execve() when the parent process isn't built by
cosmo. In such cases, the current process will kill all threads and then
linger around, waiting for the newly created process to die, and then we
propagate its exit code to the parent. This should help bazel and others

Allocating private anonymous memory is now 5x faster on Windows. This is
thanks to VirtualAlloc() which is faster than the file mapping APIs. The
fork() function also now goes 30% faster, since we are able to avoid the
VirtualProtect() calls on mappings in most cases now.

Fixes #1253
2025-01-04 21:13:37 -08:00
..
BUILD.mk Make execve() linger when it can't spoof parent 2025-01-04 21:13:37 -08:00
clock.c Implement proper time zone support 2024-05-04 23:06:37 -07:00
daemon.c flip et / noet in modelines 2023-12-07 22:17:11 -05:00
describefds.c Share file offset across execve() on Windows 2024-08-03 17:48:00 -07:00
describefds.internal.h Share file offset across execve() on Windows 2024-08-03 17:48:00 -07:00
execl.c Apply clang-format update to repo (#1154) 2024-04-25 10:38:00 -07:00
execle.c Apply clang-format update to repo (#1154) 2024-04-25 10:38:00 -07:00
execlp.c Apply clang-format update to repo (#1154) 2024-04-25 10:38:00 -07:00
execv.c flip et / noet in modelines 2023-12-07 22:17:11 -05:00
execve-nt.greg.c Make execve() linger when it can't spoof parent 2025-01-04 21:13:37 -08:00
execve-sysv.c Get rid of .internal.h convention in LIBC_INTRIN 2024-07-19 19:38:00 -07:00
execve.c Make execve() linger when it can't spoof parent 2025-01-04 21:13:37 -08:00
execve.internal.h Add dontthrow attribute to most libc functions 2024-01-09 01:26:03 -08:00
execvp.c flip et / noet in modelines 2023-12-07 22:17:11 -05:00
execvpe.c Delete ASAN 2024-06-22 05:45:49 -07:00
fexecve.c Get rid of .internal.h convention in LIBC_INTRIN 2024-07-19 19:38:00 -07:00
fork-nt.c Make execve() linger when it can't spoof parent 2025-01-04 21:13:37 -08:00
fork-sysv.c Introduce FreeBSD ARM64 support 2023-12-29 20:14:02 -08:00
fork.c Make execve() linger when it can't spoof parent 2025-01-04 21:13:37 -08:00
getppid-nt.c Make execve() linger when it can't spoof parent 2025-01-04 21:13:37 -08:00
getppid.c Make execve() linger when it can't spoof parent 2025-01-04 21:13:37 -08:00
getpriority-nt.c Add missing lock to fork() on Windows 2025-01-03 19:01:58 -08:00
getpriority.c Get rid of .internal.h convention in LIBC_INTRIN 2024-07-19 19:38:00 -07:00
getrusage-nt.c Add missing lock to fork() on Windows 2025-01-03 19:01:58 -08:00
getrusage-sysv.c flip et / noet in modelines 2023-12-07 22:17:11 -05:00
getrusage.c Get rid of .internal.h convention in LIBC_INTRIN 2024-07-19 19:38:00 -07:00
handle.c Add missing lock to fork() on Windows 2025-01-03 19:01:58 -08:00
kill-nt.c Add missing lock to fork() on Windows 2025-01-03 19:01:58 -08:00
kill.c Spoof PID across execve() on Windows 2024-12-14 13:13:08 -08:00
killpg.c Apply clang-format update to repo (#1154) 2024-04-25 10:38:00 -07:00
nice.c Remove .internal from more header filenames 2024-08-04 12:52:25 -07:00
ntspawn.h Support shebang on Windows 2024-05-20 22:11:42 -07:00
posix_spawn.c Make execve() linger when it can't spoof parent 2025-01-04 21:13:37 -08:00
posix_spawn.h Fix handling of paths with dirfd on Windows 2024-09-01 17:52:30 -07:00
posix_spawn.internal.h Reduce header complexity 2023-11-28 14:39:42 -08:00
posix_spawn_add_file_action.c Apply clang-format update to repo (#1154) 2024-04-25 10:38:00 -07:00
posix_spawn_file_actions_addchdir_np.c Apply clang-format update to repo (#1154) 2024-04-25 10:38:00 -07:00
posix_spawn_file_actions_addclose.c Apply clang-format update to repo (#1154) 2024-04-25 10:38:00 -07:00
posix_spawn_file_actions_adddup2.c Apply clang-format update to repo (#1154) 2024-04-25 10:38:00 -07:00
posix_spawn_file_actions_addfchdir_np.c Apply clang-format update to repo (#1154) 2024-04-25 10:38:00 -07:00
posix_spawn_file_actions_addopen.c Apply clang-format update to repo (#1154) 2024-04-25 10:38:00 -07:00
posix_spawn_file_actions_destroy.c flip et / noet in modelines 2023-12-07 22:17:11 -05:00
posix_spawn_file_actions_init.c flip et / noet in modelines 2023-12-07 22:17:11 -05:00
posix_spawnattr_destroy.c flip et / noet in modelines 2023-12-07 22:17:11 -05:00
posix_spawnattr_getflags.c flip et / noet in modelines 2023-12-07 22:17:11 -05:00
posix_spawnattr_getpgroup.c flip et / noet in modelines 2023-12-07 22:17:11 -05:00
posix_spawnattr_getrlimit.c Fix handling of paths with dirfd on Windows 2024-09-01 17:52:30 -07:00
posix_spawnattr_getschedparam.c flip et / noet in modelines 2023-12-07 22:17:11 -05:00
posix_spawnattr_getschedpolicy.c flip et / noet in modelines 2023-12-07 22:17:11 -05:00
posix_spawnattr_getsigdefault.c flip et / noet in modelines 2023-12-07 22:17:11 -05:00
posix_spawnattr_getsigmask.c flip et / noet in modelines 2023-12-07 22:17:11 -05:00
posix_spawnattr_init.c flip et / noet in modelines 2023-12-07 22:17:11 -05:00
posix_spawnattr_setflags.c Fix handling of paths with dirfd on Windows 2024-09-01 17:52:30 -07:00
posix_spawnattr_setpgroup.c flip et / noet in modelines 2023-12-07 22:17:11 -05:00
posix_spawnattr_setrlimit.c Fix handling of paths with dirfd on Windows 2024-09-01 17:52:30 -07:00
posix_spawnattr_setschedparam.c flip et / noet in modelines 2023-12-07 22:17:11 -05:00
posix_spawnattr_setschedpolicy.c flip et / noet in modelines 2023-12-07 22:17:11 -05:00
posix_spawnattr_setsigdefault.c flip et / noet in modelines 2023-12-07 22:17:11 -05:00
posix_spawnattr_setsigmask.c flip et / noet in modelines 2023-12-07 22:17:11 -05:00
posix_spawnp.c Apply clang-format update to repo (#1154) 2024-04-25 10:38:00 -07:00
proc.c Add missing lock to fork() on Windows 2025-01-03 19:01:58 -08:00
proc.h Add missing lock to fork() on Windows 2025-01-03 19:01:58 -08:00
sched_getaffinity.c Add missing lock to fork() on Windows 2025-01-03 19:01:58 -08:00
sched_setaffinity.c Add missing lock to fork() on Windows 2025-01-03 19:01:58 -08:00
setpriority-nt.c Add missing lock to fork() on Windows 2025-01-03 19:01:58 -08:00
setpriority.c Get rid of .internal.h convention in LIBC_INTRIN 2024-07-19 19:38:00 -07:00
times.c Fix bugs in times() function 2024-12-23 20:57:10 -08:00
verynice.c flip et / noet in modelines 2023-12-07 22:17:11 -05:00
vfork.S Eliminate cyclic locks in runtime 2024-12-16 22:25:12 -08:00
wait.c flip et / noet in modelines 2023-12-07 22:17:11 -05:00
wait3.c flip et / noet in modelines 2023-12-07 22:17:11 -05:00
wait4-nt.c Add missing lock to fork() on Windows 2025-01-03 19:01:58 -08:00
wait4-sysv.c flip et / noet in modelines 2023-12-07 22:17:11 -05:00
wait4.c Add missing lock to fork() on Windows 2025-01-03 19:01:58 -08:00
waitpid.c flip et / noet in modelines 2023-12-07 22:17:11 -05:00