39 lines
892 B
C
39 lines
892 B
C
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#include <errno.h>
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#include <execinfo.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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static void full_write(int fd, const char *buf, size_t len) {
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while (len > 0) {
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ssize_t ret = write(fd, buf, len);
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if ((ret == -1) && (errno != EINTR))
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break;
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buf += (size_t)ret;
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len -= (size_t)ret;
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}
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}
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void print_backtrace() {
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static const char start[] = "BACKTRACE ------------\n";
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static const char end[] = "----------------------\n";
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void *bt[1024];
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int bt_size;
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char **bt_syms;
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int i;
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bt_size = backtrace(bt, 1024);
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bt_syms = backtrace_symbols(bt, bt_size);
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full_write(STDERR_FILENO, start, strlen(start));
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for (i = 1; i < bt_size; i++) {
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size_t len = strlen(bt_syms[i]);
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full_write(STDERR_FILENO, bt_syms[i], len);
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full_write(STDERR_FILENO, "\n", 1);
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}
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full_write(STDERR_FILENO, end, strlen(end));
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free(bt_syms);
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}
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