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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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4
libc/proc/posix_spawnattr_setrlimit.c
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@ -26,7 +26,8 @@
/**
* Sets resource limit on spawned process.
*
* Using this setter automatically sets `POSIX_SPAWN_SETRLIMIT`.
* You also need to pass `POSIX_SPAWN_SETRLIMIT` to
* posix_spawnattr_setflags() for it to take effect.
*
* @return 0 on success, or errno on error
* @raise EINVAL if resource is invalid
@ -34,7 +35,6 @@
int posix_spawnattr_setrlimit(posix_spawnattr_t *attr, int resource,
const struct rlimit *rlim) {
if (0 <= resource && resource < MIN(RLIM_NLIMITS, ARRAYLEN((*attr)->rlim))) {
(*attr)->flags |= POSIX_SPAWN_SETRLIMIT;
(*attr)->rlimset |= 1u << resource;
(*attr)->rlim[resource] = *rlim;
return 0;