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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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3
libc/proc/verynice.c
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@ -19,6 +19,7 @@
#include "libc/calls/calls.h"
#include "libc/calls/struct/sched_param.h"
#include "libc/errno.h"
#include "libc/limits.h"
#include "libc/sysv/consts/ioprio.h"
#include "libc/sysv/consts/prio.h"
#include "libc/sysv/consts/sched.h"
@ -31,7 +32,7 @@
*/
int verynice(void) {
int e = errno;
setpriority(PRIO_PROCESS, 0, 10);
setpriority(PRIO_PROCESS, 0, NZERO);
sys_ioprio_set(IOPRIO_WHO_PROCESS, 0,
IOPRIO_PRIO_VALUE(IOPRIO_CLASS_IDLE, 0));
struct sched_param param = {sched_get_priority_min(SCHED_IDLE)};