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Bring back gc() function

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Renaming gc() to _gc() was a mistake since the better thing to do is put
it behind the _COSMO_SOURCE macro. We need this change because I haven't
wanted to use my amazing garbage collector ever since we renamed it. You
now need to define _COSMO_SOURCE yourself when using amalgamation header
and cosmocc users need to pass the -mcosmo flag to get the gc() function

Some other issues relating to cancelation have been fixed along the way.
We're also now putting cosmocc in a folder named `.cosmocc` so it can be
more safely excluded by grep --exclude-dir=.cosmocc --exclude-dir=o etc.
This commit is contained in:
Justine Tunney 2024-01-08 10:07:35 -08:00
parent 6cb0354e19
commit a4b455185b
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GPG key ID: BE714B4575D6E328
280 changed files with 1362 additions and 1407 deletions
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2
libc/runtime/runtime.h
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@ -136,7 +136,7 @@ long __get_minsigstksz(void) pureconst;
void __get_main_stack(void **, size_t *, int *);
long __get_safe_size(long, long);
char *__get_tmpdir(void);
__funline int __trace_disabled(int x) {
forceinline int __trace_disabled(int x) {
return 0;
}
#ifndef FTRACE

2
libc/runtime/stack.h
View file

@ -96,7 +96,7 @@ extern char ape_stack_align[] __attribute__((__weak__));
* since it'll not only ensure stack overflows are detected, it
* will also trigger the stack to grow down safely.
*/
__funline void CheckLargeStackAllocation(void *p, ssize_t n) {
forceinline void CheckLargeStackAllocation(void *p, ssize_t n) {
for (; n > 0; n -= 4096) {
((char *)p)[n - 1] = 0;
}