137 lines
1.6 KiB
C
137 lines
1.6 KiB
C
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#include <stdio.h>
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#include <string.h>
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#include <stdarg.h>
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#include <stdlib.h>
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#include <unistd.h>
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/* tabulators */
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char tabs[1024];
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#ifdef DBG_THREADS
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#include <pthread.h>
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static pthread_key_t align_key;
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static pthread_once_t align_key_once = PTHREAD_ONCE_INIT;
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static void
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align_destroy(void *align)
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{
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free(align);
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}
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static void
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align_key_create()
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{
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pthread_key_create(&align_key, align_destroy);
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}
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void
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debug_init_threads()
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{
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int *new_align;
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memset(tabs, 9, 1024);
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if (!(new_align = malloc(sizeof(int))))
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abort();
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*new_align = 1;
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pthread_once(&align_key_once, align_key_create);
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pthread_setspecific(align_key, new_align);
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}
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#endif
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/*
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* no threads
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*/
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static int main_align = 1;
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void
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debug_init_nothreads()
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{
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memset(tabs, 9, 1024);
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}
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void
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fn_begin(char *format, ...)
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{
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va_list args;
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char msg_buf[1024];
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char final_msg[2048];
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int *align;
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#ifdef DBG_THREADS
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align = pthread_getspecific(align_key);
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#else
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align = &main_align;
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#endif
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va_start(args, format);
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vsprintf(msg_buf, format, args);
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va_end(args);
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strcat(msg_buf, " {\n");
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sprintf(final_msg, "%d: %.*s%s", getpid(), *align, tabs, msg_buf);
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fprintf(stderr, "%s", final_msg);
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(*align)++;
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}
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void
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fn_end()
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{
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int *align;
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#ifdef DBG_THREADS
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align = pthread_getspecific(align_key);
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#else
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align = &main_align;
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#endif
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(*align)--;
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fprintf(stderr, "%d: %.*s}\n", getpid(), *align, tabs);
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}
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/*
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void
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fn2(int i)
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{
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_D(fn_begin("fn2(i = %d)", i));
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return_void();
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}
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int
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fn1()
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{
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_D(fn_begin("fn1"));
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fn2(1);
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return_val(0);
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}
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int
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main()
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{
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_D(fn_begin("main"));
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fn1();
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fn2(2);
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return_val(0);
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}
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*/
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