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Make important improvements

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- Fix preadv() and pwritev() for old distros
- Introduce _npassert() and _unassert() macros
- Prove that file locks work properly on Windows
- Support fcntl(F_DUPFD_CLOEXEC) on more systems
This commit is contained in:
Justine Tunney 2022-09-14 21:29:50 -07:00
parent 1ad2f530f9
commit 3f49889841
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GPG key ID: BE714B4575D6E328
130 changed files with 1225 additions and 431 deletions
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12
libc/calls/sched_getaffinity.c
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@ -16,11 +16,13 @@
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/calls/calls.h"
#include "libc/calls/sched-sysv.internal.h"
#include "libc/intrin/strace.internal.h"
#include "libc/calls/struct/cpuset.h"
#include "libc/calls/syscall_support-nt.internal.h"
#include "libc/dce.h"
#include "libc/intrin/strace.internal.h"
#include "libc/macros.internal.h"
#include "libc/nt/process.h"
#include "libc/nt/runtime.h"
#include "libc/nt/thread.h"
@ -52,7 +54,7 @@ static textwindows int sys_sched_getaffinity_nt(int tid, size_t size,
* @param bitset receives bitset and should be uint64_t[16] in order to
* work on older versions of Linux
* @return 0 on success, or -1 w/ errno
* @raise ENOSYS on non-Linux
* @raise ENOSYS if not Linux, NetBSD, or Windows
*/
int sched_getaffinity(int tid, size_t size, cpu_set_t *bitset) {
int rc;
@ -60,6 +62,12 @@ int sched_getaffinity(int tid, size_t size, cpu_set_t *bitset) {
rc = einval();
} else if (IsWindows()) {
rc = sys_sched_getaffinity_nt(tid, size, bitset);
} else if (IsNetbsd()) {
if (!sys_sched_getaffinity_netbsd(0, tid, MIN(size, 32), bitset)) {
rc = MIN(size, 32);
} else {
rc = -1;
}
} else {
rc = sys_sched_getaffinity(tid, size, bitset);
}