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Polish recent changes and make improvements

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- Simulate SIGPIPE on Windows NT
- Fix commandv() regression on Windows NT
- Fix sigprocmask() strace bug on OpenBSD
- Add many more system calls to --strace logging
- Make errno state more pristine in redbean strace
This commit is contained in:
Justine Tunney 2022-03-19 03:37:00 -07:00
parent 10a766ebd0
commit 39688a73e4
69 changed files with 460 additions and 1976 deletions
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6
libc/runtime/mmap.c
View file

@ -109,7 +109,7 @@ static noasan void *MapMemory(void *addr, size_t size, int prot, int flags,
dm = sys_mmap(addr, size, prot, f, fd, off);
if (UNLIKELY(dm.addr == MAP_FAILED)) {
if (IsWindows() && (flags & MAP_FIXED)) {
STRACE("mmap(%.12p, %'ld) → %s (%s)", addr, size, strerror(errno),
STRACE("mmap(%.12p, %'ld) → %m (%s)", addr, size,
"can't recover from MAP_FIXED errors on Windows");
assert(!"MapMemory() failed");
Die();
@ -123,14 +123,14 @@ static noasan void *MapMemory(void *addr, size_t size, int prot, int flags,
}
if (!IsWindows() && (flags & MAP_FIXED)) {
if (UntrackMemoryIntervals(addr, size)) {
STRACE("FIXED UNTRACK FAILED %s", strerror(errno));
STRACE("FIXED UNTRACK FAILED %m");
assert(!"MapMemory() failed");
Die();
}
}
if (TrackMemoryInterval(&_mmi, x, x + (n - 1), dm.maphandle, prot, flags)) {
if (sys_munmap(addr, n) == -1) {
STRACE("TRACK MUNMAP FAILED %s", strerror(errno));
STRACE("TRACK MUNMAP FAILED %m");
assert(!"MapMemory() failed");
Die();
}