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Location: cpp/openttd-patchpack/source/thread.c
r2556:182249972e8b
2.1 KiB
text/x-c
(svn r3089) Fix possible issue with out-of-bounds array access in replace vehicle gui, and add brief commenting.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 | /* $Id$ */
#include "stdafx.h"
#include "thread.h"
#include <stdlib.h>
#if defined(__AMIGA__) || defined(__MORPHOS__)
Thread* OTTDCreateThread(ThreadFunc function, void* arg) { return NULL; }
void* OTTDJoinThread(Thread* t) { return NULL; }
#elif defined(__OS2__)
#define INCL_DOS
#include <os2.h>
#include <process.h>
struct Thread {
TID thread;
ThreadFunc func;
void* arg;
void* ret;
};
static void Proxy(void* arg)
{
Thread* t = arg;
t->ret = t->func(t->arg);
}
Thread* OTTDCreateThread(ThreadFunc function, void* arg)
{
Thread* t = malloc(sizeof(*t));
if (t == NULL) return NULL;
t->func = function;
t->arg = arg;
t->thread = _beginthread(Proxy, NULL, 32768, t);
if (t->thread != -1) {
return t;
} else {
free(t);
return NULL;
}
}
void* OTTDJoinThread(Thread* t)
{
void* ret;
if (t == NULL) return NULL;
DosWaitThread(&t->thread, DCWW_WAIT);
ret = t->ret;
free(t);
return ret;
}
#elif defined(UNIX)
#include <pthread.h>
struct Thread {
pthread_t thread;
};
Thread* OTTDCreateThread(ThreadFunc function, void* arg)
{
Thread* t = malloc(sizeof(*t));
if (t == NULL) return NULL;
if (pthread_create(&t->thread, NULL, function, arg) == 0) {
return t;
} else {
free(t);
return NULL;
}
}
void* OTTDJoinThread(Thread* t)
{
void* ret;
if (t == NULL) return NULL;
pthread_join(t->thread, &ret);
free(t);
return ret;
}
#elif defined(WIN32)
#include <windows.h>
struct Thread {
HANDLE thread;
ThreadFunc func;
void* arg;
void* ret;
};
static DWORD WINAPI Proxy(LPVOID arg)
{
Thread* t = arg;
t->ret = t->func(t->arg);
return 0;
}
Thread* OTTDCreateThread(ThreadFunc function, void* arg)
{
Thread* t = malloc(sizeof(*t));
DWORD dwThreadId;
if (t == NULL) return NULL;
t->func = function;
t->arg = arg;
t->thread = CreateThread(NULL, 0, Proxy, t, 0, &dwThreadId);
if (t->thread != NULL) {
return t;
} else {
free(t);
return NULL;
}
}
void* OTTDJoinThread(Thread* t)
{
void* ret;
if (t == NULL) return NULL;
WaitForSingleObject(t->thread, INFINITE);
CloseHandle(t->thread);
ret = t->ret;
free(t);
return ret;
}
#endif
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