Bring back gc() function

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
No known key found for this signature in database
GPG key ID: BE714B4575D6E328
280 changed files with 1362 additions and 1407 deletions

View file

@ -16,6 +16,8 @@
TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
PERFORMANCE OF THIS SOFTWARE.
*/
#include "libc/dce.h"
#include "libc/intrin/describebacktrace.internal.h"
#include "libc/intrin/kprintf.h"
#include "libc/intrin/strace.internal.h"
#include "libc/runtime/runtime.h"
@ -27,3 +29,14 @@ dontinstrument void __stracef(const char *fmt, ...) {
kvprintf(fmt, v);
va_end(v);
}
#if IsModeDbg()
void report_cancellation_point(void) {
kprintf("error: cancelable raw system call not annotated in wrapper\n"
"choice #1 use BLOCK_CANCELATION / ALLOW_CANCELATION\n"
"choice #2 use BEGIN_CANCELATION_POINT / END_CANCELATION_POINT\n"
"backtrace: %s\n",
DescribeBacktrace(__builtin_frame_address(0)));
__builtin_trap();
}
#endif