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Add missing lock to fork() on Windows

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Justine Tunney 2025-01-03 19:01:58 -08:00
parent e939659b70
commit fe01642a20
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19 changed files with 90 additions and 96 deletions
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55
libc/proc/proc.h Normal file
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#ifndef COSMOPOLITAN_LIBC_PROC_H_
#define COSMOPOLITAN_LIBC_PROC_H_
#include "libc/atomic.h"
#include "libc/calls/struct/rusage.h"
#include "libc/intrin/atomic.h"
#include "libc/intrin/dll.h"
#include "libc/thread/thread.h"
COSMOPOLITAN_C_START_
#define PROC_ALIVE 0
#define PROC_ZOMBIE 1
#define PROC_UNDEAD 2
#define PROC_CONTAINER(e) DLL_CONTAINER(struct Proc, elem, e)
struct Proc {
int pid;
int status;
int waiters;
bool wasforked;
uint32_t wstatus;
int64_t handle;
struct Dll elem;
struct rusage ru;
};
struct Procs {
int waiters;
atomic_uint once;
intptr_t thread;
intptr_t onbirth;
intptr_t haszombies;
struct Dll *list;
struct Dll *free;
struct Dll *undead;
struct Dll *zombies;
unsigned allocated;
struct rusage ruchlds;
};
extern struct Procs __proc;
void __proc_lock(void);
void __proc_unlock(void);
int64_t __proc_handle(int);
int64_t __proc_search(int);
struct Proc *__proc_new(void);
void __proc_add(struct Proc *);
void __proc_free(struct Proc *);
void __proc_wipe_and_reset(void);
int __proc_harvest(struct Proc *, bool);
int sys_wait4_nt(int, int *, int, struct rusage *);
COSMOPOLITAN_C_END_
#endif /* COSMOPOLITAN_LIBC_PROC_H_ */