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Add sys_semwait_signal() enabling sleep() to work
+70
+1
src/kernel/emulation/linux/CMakeLists.txt
+1
src/kernel/emulation/linux/CMakeLists.txt
+59
src/kernel/emulation/linux/synch/semwait_signal.c
+59
src/kernel/emulation/linux/synch/semwait_signal.c
···
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#include "semwait_signal.h"
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#include "../base.h"
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#include "../../../../../platform-include/sys/errno.h"
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#include "../time/gettimeofday.h"
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#include <asm/unistd.h>
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#include <stddef.h>
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typedef int kern_return_t;
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extern kern_return_t semaphore_timedwait_signal_trap(int cond_sem, int mutex_sem, unsigned int tv_sec, unsigned int tv_nsec);
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extern kern_return_t semaphore_timedwait_trap(int cond_sem, unsigned int tv_sec, unsigned int tv_nsec);
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extern kern_return_t semaphore_wait_signal_trap(int cond_sem, int mutex_sem);
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extern kern_return_t semaphore_wait_trap(int cond_sem);
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#define KERN_SUCCESS 0
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#define KERN_ABORTED 14
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long sys_semwait_signal(int cond_sem, int mutex_sem, int timeout, int relative, int64_t tv_sec, int32_t tv_nsec)
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{
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kern_return_t kr;
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if (timeout)
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{
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if (!relative)
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{
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struct bsd_timeval tv;
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sys_gettimeofday(&tv, NULL);
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if (tv.tv_usec*1000 < tv_nsec)
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tv_nsec -= tv.tv_usec * 1000;
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else
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{
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tv_nsec = 1000000000ull + tv_nsec - (tv.tv_usec * 1000);
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tv_sec--;
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}
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tv_sec -= tv.tv_sec;
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}
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if (mutex_sem != 0)
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kr = semaphore_timedwait_signal_trap(cond_sem, mutex_sem, tv_sec, tv_nsec);
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else
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kr = semaphore_timedwait_trap(cond_sem, tv_sec, tv_nsec);
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}
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else
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{
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if (mutex_sem != 0)
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kr = semaphore_wait_signal_trap(cond_sem, mutex_sem);
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else
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kr = semaphore_wait_trap(cond_sem);
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}
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if (kr == KERN_ABORTED)
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return -EINTR;
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else if (kr != KERN_SUCCESS)
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return -EINVAL;
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return 0;
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}
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+8
src/kernel/emulation/linux/synch/semwait_signal.h
+8
src/kernel/emulation/linux/synch/semwait_signal.h
+2
src/kernel/emulation/linux/syscalls.c
+2
src/kernel/emulation/linux/syscalls.c
···
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#include "misc/thread_selfid.h"
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#include "misc/sysctl.h"
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#include "misc/gethostuuid.h"
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#include "synch/semwait_signal.h"
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#include "fcntl/open.h"
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#include "fcntl/fcntl.h"
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#include "network/socket.h"
···
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[199] = sys_lseek,
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[201] = sys_ftruncate,
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[202] = sys_sysctl,
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[334] = sys_semwait_signal,
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[338] = sys_stat64,
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[339] = sys_fstat64,
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[340] = sys_lstat64,