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Make garbage collection thread safe

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- You can now use _gc(malloc()) in multithreaded programs
- This change fixes a bug where fork() on NT disabled TLS
- Fixed TLS code morphing on XNU/NT, for R8-R15 registers
This commit is contained in:
Justine Tunney 2022-09-08 02:33:01 -07:00
parent 571c2c3c69
commit 0e2b1bfeed
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GPG key ID: BE714B4575D6E328
37 changed files with 310 additions and 189 deletions
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3
libc/thread/thread.h
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@ -28,7 +28,7 @@ struct FtraceTls { /* 16 */
struct cthread_descriptor_t {
struct cthread_descriptor_t *self; /* 0x00 */
struct FtraceTls ftrace; /* 0x08 */
void *garbages; /* 0x10 */
void *garbages; /* 0x18 */
locale_t locale; /* 0x20 */
pthread_t pthread; /* 0x28 */
struct cthread_descriptor_t *self2; /* 0x30 */
@ -64,6 +64,7 @@ int cthread_sem_wait(cthread_sem_t *, int, const struct timespec *);
int cthread_sem_signal(cthread_sem_t *);
int cthread_memory_wait32(int *, int, const struct timespec *);
int cthread_memory_wake32(int *, int);
void cthread_ungarbage(void);
COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */