overhaul cancellation to fix resource leaks and dangerous behavior with signals
[musl] / arch / i386 / pthread_arch.h
1 static inline struct pthread *__pthread_self()
2 {
3         struct pthread *self;
4         __asm__ ("movl %%gs:0,%0" : "=r" (self) );
5         return self;
6 }
7
8 #define PC_AT_SYS(c) \
9         (*(uint16_t *)(((ucontext_t *)(c))->uc_mcontext.__gregs[14])==0x80cd)