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Make mutex calling code 10x tinier

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Calls to lock/unlock functions are now NOPs by default. The first time
clone() is called, they get turned into CALL instructions. Doing this
caused funcctions like fputc() to shrink from 85 bytes to 45+4 bytes.
Since the ANSI solution of `(__threaded && lock())` inlines os much
superfluous binary content into functions all over the place.
This commit is contained in:
Justine Tunney 2022-06-12 19:33:42 -07:00
parent 8cdec62f5b
commit 8b72490431
32 changed files with 494 additions and 210 deletions
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7
libc/calls/sig2.c
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@ -92,8 +92,8 @@ static textwindows struct Signal *__sig_remove(void) {
* @note called from main thread
* @return true if EINTR should be returned by caller
*/
static privileged bool __sig_deliver(bool restartable, int sig, int si_code,
ucontext_t *ctx) {
static bool __sig_deliver(bool restartable, int sig, int si_code,
ucontext_t *ctx) {
unsigned rva, flags;
siginfo_t info, *infop;
STRACE("delivering %G", sig);
@ -162,8 +162,7 @@ static textwindows bool __sig_isfatal(int sig) {
* @param restartable can be used to suppress true return if SA_RESTART
* @return true if signal was delivered
*/
privileged bool __sig_handle(bool restartable, int sig, int si_code,
ucontext_t *ctx) {
bool __sig_handle(bool restartable, int sig, int si_code, ucontext_t *ctx) {
bool delivered;
switch (__sighandrvas[sig]) {
case (intptr_t)SIG_DFL: