mirror of
https://gitlab.freedesktop.org/libinput/libinput.git
synced 2026-02-04 12:50:33 +01:00
e0f671126d
Might as well make this easier to re-use since it doesn't do anything specific to litest. Part-of: <https://gitlab.freedesktop.org/libinput/libinput/-/merge_requests/1066>
79 lines
2.1 KiB
C
79 lines
2.1 KiB
C
/*
|
|
* Copyright © 2024 Red Hat, Inc.
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a
|
|
* copy of this software and associated documentation files (the "Software"),
|
|
* to deal in the Software without restriction, including without limitation
|
|
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
|
* and/or sell copies of the Software, and to permit persons to whom the
|
|
* Software is furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice (including the next
|
|
* paragraph) shall be included in all copies or substantial portions of the
|
|
* Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
|
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
|
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
|
|
* DEALINGS IN THE SOFTWARE.
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#include <errno.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
#include <sys/wait.h>
|
|
|
|
static inline void
|
|
backtrace_print(FILE *fp)
|
|
{
|
|
#if HAVE_GSTACK
|
|
pid_t parent, child;
|
|
int pipefd[2];
|
|
|
|
if (pipe(pipefd) == -1)
|
|
return;
|
|
|
|
parent = getpid();
|
|
child = fork();
|
|
|
|
if (child == 0) {
|
|
char pid[8];
|
|
|
|
close(pipefd[0]);
|
|
dup2(pipefd[1], STDOUT_FILENO);
|
|
|
|
sprintf(pid, "%d", parent);
|
|
|
|
execlp("gstack", "gstack", pid, NULL);
|
|
exit(errno);
|
|
}
|
|
|
|
/* parent */
|
|
char buf[1024];
|
|
int status, nread;
|
|
|
|
close(pipefd[1]);
|
|
waitpid(child, &status, 0);
|
|
|
|
status = WEXITSTATUS(status);
|
|
if (status != 0) {
|
|
fprintf(fp, "ERROR: gstack failed, no backtrace available: %s\n",
|
|
strerror(status));
|
|
} else {
|
|
fprintf(fp, "\nBacktrace:\n");
|
|
while ((nread = read(pipefd[0], buf, sizeof(buf) - 1)) > 0) {
|
|
buf[nread] = '\0';
|
|
fprintf(stderr, "%s", buf);
|
|
}
|
|
fprintf(fp, "\n");
|
|
}
|
|
close(pipefd[0]);
|
|
#endif
|
|
}
|