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[WIP] Threading (#282)

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* Thread creation
* Proper thread creation and exit
* Join/Detach protocol
* Added semaphore with futex (hopefully fast)
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Florian Lemaitre 2021-10-13 20:26:05 +02:00 • committed by GitHub
parent d852640a1e
commit a0b39f886c
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30 changed files with 792 additions and 12 deletions
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libc/thread/descriptor.h Normal file
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#ifndef COSMOPOLITAN_LIBC_THREAD_DESCRIPTOR_H_
#define COSMOPOLITAN_LIBC_THREAD_DESCRIPTOR_H_
#if !(__ASSEMBLER__ + __LINKER__ + 0)
COSMOPOLITAN_C_START_
/**
* @fileoverview thread types
*/
enum cthread_state {
cthread_started = 0,
cthread_joining = 1,
cthread_finished = 2,
cthread_detached = 4,
};
struct cthread_descriptor_t {
struct cthread_descriptor_t* self; // mandatory for TLS
struct {
void *top, *bottom;
} stack, tls, alloc;
int state;
int tid;
int rc;
void* pthread_ret_ptr;
};
typedef struct cthread_descriptor_t* cthread_t;
COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_THREAD_DESCRIPTOR_H_ */