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finish intellisense support and sync with upstream

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This commit is contained in:
Alexander Nicholi 2021-02-03 13:50:08 -05:00
commit ec9bfd8c56
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GPG key ID: B75B2EB05540F74C
221 changed files with 2360 additions and 1439 deletions
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27
libc/calls/sigaction.c
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@ -19,6 +19,7 @@
#include "libc/bits/bits.h"
#include "libc/calls/calls.h"
#include "libc/calls/internal.h"
#include "libc/calls/sigbits.h"
#include "libc/calls/struct/sigaction-freebsd.internal.h"
#include "libc/calls/struct/sigaction-linux.internal.h"
#include "libc/calls/struct/sigaction-openbsd.internal.h"
@ -120,6 +121,7 @@ static void sigaction$native2cosmo(union metasigaction *sa) {
*
* @see xsigaction() for a much better api
* @asyncsignalsafe
* @vforksafe
*/
int(sigaction)(int sig, const struct sigaction *act, struct sigaction *oldact) {
_Static_assert(sizeof(struct sigaction) > sizeof(struct sigaction$linux) &&
@ -129,9 +131,8 @@ int(sigaction)(int sig, const struct sigaction *act, struct sigaction *oldact) {
sizeof(struct sigaction) > sizeof(struct sigaction$openbsd));
int rc, rva, oldrva;
struct sigaction *ap, copy;
if (!(0 < sig && sig < NSIG) || sig == SIGKILL || sig == SIGSTOP) {
return einval();
}
if (!(0 < sig && sig < NSIG)) return einval();
if (sig == SIGKILL || sig == SIGSTOP) return einval();
if (!act) {
rva = (int32_t)(intptr_t)SIG_DFL;
} else if ((intptr_t)act->sa_handler < kSigactionMinRva) {
@ -142,6 +143,9 @@ int(sigaction)(int sig, const struct sigaction *act, struct sigaction *oldact) {
} else {
return efault();
}
if (__vforked && rva != (intptr_t)SIG_DFL && rva != (intptr_t)SIG_IGN) {
return einval();
}
if (!IsWindows()) {
if (!IsMetal()) {
if (act) {
@ -150,16 +154,13 @@ int(sigaction)(int sig, const struct sigaction *act, struct sigaction *oldact) {
if (IsXnu()) {
ap->sa_restorer = (void *)&xnutrampoline;
ap->sa_handler = (void *)&xnutrampoline;
} else {
if (IsLinux()) {
if (!(ap->sa_flags & SA_RESTORER)) {
ap->sa_flags |= SA_RESTORER;
ap->sa_restorer = &__restore_rt;
}
}
if (rva >= kSigactionMinRva) {
ap->sa_sigaction = (sigaction_f)__sigenter;
} else if (IsLinux()) {
if (!(ap->sa_flags & SA_RESTORER)) {
ap->sa_flags |= SA_RESTORER;
ap->sa_restorer = &__restore_rt;
}
} else if (rva >= kSigactionMinRva) {
ap->sa_sigaction = (sigaction_f)__sigenter;
}
sigaction$cosmo2native((union metasigaction *)ap);
} else {
@ -179,7 +180,7 @@ int(sigaction)(int sig, const struct sigaction *act, struct sigaction *oldact) {
}
rc = 0;
}
if (rc != -1) {
if (rc != -1 && !__vforked) {
if (oldact) {
oldrva = __sighandrvas[sig];
oldact->sa_sigaction = (sigaction_f)(