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Make more fixes and improvements

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- Remove PAGESIZE constant
- Fix realloc() documentation
- Fix ttyname_r() error reporting
- Make forking more reliable on Windows
- Make execvp() a few microseconds faster
- Make system() a few microseconds faster
- Tighten up the socket-related magic numbers
- Loosen restrictions on mmap() offset alignment
- Improve GetProgramExecutableName() with getenv("_")
- Use mkstemp() as basis for mktemp(), tmpfile(), tmpfd()
- Fix flakes in pthread_cancel_test, unix_test, fork_test
- Fix recently introduced futex stack overflow regression
- Let sockets be passed as stdio to subprocesses on Windows
- Improve security of bind() on Windows w/ SO_EXCLUSIVEADDRUSE
This commit is contained in:
Justine Tunney 2023-07-29 18:44:15 -07:00
parent 140a8a52e5
commit 18bb5888e1
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GPG key ID: BE714B4575D6E328
311 changed files with 1239 additions and 2622 deletions
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6
libc/intrin/udivmodti4.c
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@ -85,7 +85,7 @@ forceinline du_int udiv128by64to64(du_int u1, du_int u0, du_int v, du_int *r) {
* @param b is divisor
* @param rem receives remainder if not NULL
*/
COMPILER_RT_ABI tu_int __udivmodti4(tu_int a, tu_int b, tu_int *rem) {
tu_int __udivmodti4(tu_int a, tu_int b, tu_int *rem) {
const unsigned n_utword_bits = sizeof(tu_int) * CHAR_BIT;
utwords dividend, divisor, quotient, remainder;
si_int shift;
@ -135,3 +135,7 @@ COMPILER_RT_ABI tu_int __udivmodti4(tu_int a, tu_int b, tu_int *rem) {
if (rem) *rem = dividend.all;
return quotient.all;
}
tu_int __udivti3(tu_int a, tu_int b) {
return __udivmodti4(a, b, NULL);
}