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Put more thought into i/o polyfills

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wait4() is now solid enough to run `make -j100` on Windows. You can now
use MSG_DONTWAIT on Windows. There was a handle leak in accept() that's
been fixed. Our WIN32 overlapped i/o code has been simplified. Priority
class now inherits into subprocesses, so the verynice command will work
and the signal mask will now be inherited by execve() and posix_spawn()
This commit is contained in:
Justine Tunney 2023-11-06 16:38:44 -08:00
parent 736fdb757a
commit e961385e55
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GPG key ID: BE714B4575D6E328
52 changed files with 679 additions and 487 deletions
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2
tool/build/compile.c
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@ -637,6 +637,8 @@ int Launch(void) {
posix_spawnattr_init(&spawnattr);
posix_spawnattr_setsigmask(&spawnattr, &savemask);
posix_spawnattr_setflags(&spawnattr,
POSIX_SPAWN_SETSIGMASK | POSIX_SPAWN_SETRLIMIT);
SetCpuLimit(cpuquota);
SetFszLimit(fszquota);
SetMemLimit(memquota);

3
tool/build/runitd.c
View file

@ -552,7 +552,8 @@ RetryOnEtxtbsyRaceCondition:
started = timespec_real();
pipe2(client->pipe, O_CLOEXEC);
posix_spawnattr_init(&spawnattr);
posix_spawnattr_setflags(&spawnattr, POSIX_SPAWN_SETPGROUP);
posix_spawnattr_setflags(&spawnattr,
POSIX_SPAWN_SETSIGMASK | POSIX_SPAWN_SETPGROUP);
posix_spawnattr_setsigmask(&spawnattr, &sigmask);
posix_spawn_file_actions_init(&spawnfila);
posix_spawn_file_actions_adddup2(&spawnfila, g_bogusfd, 0);