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Introduce sigtimedwait() and sigwaitinfo()

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This change also invents sigcountset() and strsignal_r() and improves
the quality of siginfo_t handling.
This commit is contained in:
Justine Tunney 2022-10-10 07:36:07 -07:00
parent 7ae556463a
commit 467a332e38
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GPG key ID: BE714B4575D6E328
41 changed files with 887 additions and 345 deletions
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12
libc/calls/sigenter-freebsd.c
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@ -22,6 +22,7 @@
#include "libc/calls/struct/sigaction-freebsd.internal.h"
#include "libc/calls/struct/sigaction.h"
#include "libc/calls/struct/siginfo-freebsd.internal.h"
#include "libc/calls/struct/siginfo-meta.internal.h"
#include "libc/calls/struct/siginfo.h"
#include "libc/calls/struct/ucontext-freebsd.internal.h"
#include "libc/calls/ucontext.h"
@ -75,16 +76,7 @@ privileged void __sigenter_freebsd(int sig, struct siginfo_freebsd *freebsdinfo,
g.uc.uc_mcontext.err = ctx->uc_mcontext.mc_err;
g.uc.uc_mcontext.trapno = ctx->uc_mcontext.mc_trapno;
__repmovsb(&g.uc.__fpustate, &ctx->uc_mcontext.mc_fpstate, 512);
g.si.si_signo = freebsdinfo->si_signo;
g.si.si_errno = freebsdinfo->si_errno;
g.si.si_code = freebsdinfo->si_code;
if (freebsdinfo->si_pid) {
g.si.si_pid = freebsdinfo->si_pid;
g.si.si_uid = freebsdinfo->si_uid;
} else {
g.si.si_addr = (void *)freebsdinfo->si_addr;
}
g.si.si_value = freebsdinfo->si_value;
__siginfo2cosmo(&g.si, (void *)freebsdinfo);
((sigaction_f)(_base + rva))(sig, &g.si, &g.uc);
ctx->uc_stack.ss_sp = g.uc.uc_stack.ss_sp;
ctx->uc_stack.ss_size = g.uc.uc_stack.ss_size;