mirror of
https://github.com/zeldaret/st
synced 2026-06-21 16:16:56 -04:00
Yanis
c98c03de39
* match wstring.c * match math_api.c, mbstring.c, mem.c and mem_funcs.c * more progress * build issues * fix non-matching issues * reorganise files * match fdlibm (+ libc progress) * fix jp build * solved some non-matchings and progress * removed types.h usage in libc * match data and add missing delinks for jp
50 lines
1.4 KiB
C
50 lines
1.4 KiB
C
#ifndef MSL_COMMON_CRITICAL_REGIONS_H
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#define MSL_COMMON_CRITICAL_REGIONS_H
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#include <nitro/os/mutex.h>
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enum critical_regions {
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atexit_funcs_access = 0,
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malloc_pool_access = 1,
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stdin_access = 2,
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stdout_access = 3,
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stderr_access = 4,
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files_access = 5,
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console_status_access = 6,
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signal_funcs_access = 7,
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thread_access = 8,
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num_critical_regions = 9
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};
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extern OSMutex __cs[num_critical_regions];
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extern int __cs_id[num_critical_regions];
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extern int __cs_ref[num_critical_regions];
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static inline void __begin_critical_region(int region) {
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OSThread *currentThread;
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if (OS_TryLockMutex(&__cs[region]) == 0) {
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currentThread = OS_GetCurrentThread();
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__cs_id[region] = OS_GetThreadId(currentThread);
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__cs_ref[region] = 1;
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} else {
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currentThread = OS_GetCurrentThread();
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if (OS_GetThreadId(currentThread) == __cs_id[region]) {
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__cs_ref[region]++;
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} else {
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OS_LockMutex(&__cs[region]);
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currentThread = OS_GetCurrentThread();
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__cs_id[region] = OS_GetThreadId(currentThread);
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__cs_ref[region] = 1;
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}
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}
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}
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static inline void __end_critical_region(int region) {
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if (--__cs_ref[region] == 0) {
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OS_UnlockMutex(&__cs[region]);
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}
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}
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#endif // MSL_COMMON_CRITICAL_REGIONS_H
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