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Try to read 'core.PID' if can or fallback on 'core'.

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This commit is contained in:
Sanel Zukan 2012-10-23 10:20:21 +00:00
parent b19a713bdf
commit 1cc61c1d29
3 changed files with 39 additions and 11 deletions
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7
ede-bug-tools/ede-crasher/CrashDialog.cpp
View File

@ -15,6 +15,7 @@
#endif
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <string.h>
#include <unistd.h>
@ -125,7 +126,11 @@ static void collect_info_once(void) {
TempFile tmp;
tmp.set_auto_delete(true);
if(gdb_output_generate(pdetails->path, tmp))
int pid = -1;
if(pdetails->pid)
pid = atoi(pdetails->pid);
if(gdb_output_generate(pdetails->path, tmp, pid))
txt_buf->appendfile(tmp.name());
info_was_collected = true;

41
ede-bug-tools/ede-crasher/GdbOutput.cpp
View File

@ -37,7 +37,7 @@ static int write_str(int fd, const char *str) {
return ::write(fd, str, len);
}
bool gdb_output_generate(const char *path, TempFile &t) {
bool gdb_output_generate(const char *path, TempFile &t, int pid) {
E_RETURN_VAL_IF_FAIL(path != NULL, false);
int tfd = -1;
@ -71,18 +71,41 @@ bool gdb_output_generate(const char *path, TempFile &t) {
return true;
}
if(!file_test(CORE_FILE, FILE_TEST_IS_REGULAR)) {
write_str(tfd, "Unable to find '"CORE_FILE"'. Backtrace will not be done.");
/*
* to find core file, we will try these strategies: first try to open 'core.PID' if
* we got PID (default on linux); if does not exists, try to open 'core'; everything is
* assumed current folder, whatever it was set
*/
bool core_found = false;
String core_path;
if(pid > -1) {
core_path.printf("%s.%i", CORE_FILE, pid);
if(file_test(core_path.c_str(), FILE_TEST_IS_REGULAR))
core_found = true;
else
E_WARNING(E_STRLOC ": Unable to find %s. Trying 'core'\n", core_path.c_str());
}
if(!core_found) {
core_path = CORE_FILE;
if(file_test(core_path.c_str(), FILE_TEST_IS_REGULAR))
core_found = true;
else
E_WARNING(E_STRLOC ": Unable to find core. Balling out\n");
}
if(!core_found) {
write_str(tfd, "Unable to find core file. Backtrace will not be done.");
/* see it as valid, so dialog could be shown */
return true;
}
pid_t pid = fork();
pid_t gdb_pid = fork();
if(pid == -1) {
if(gdb_pid == -1) {
E_WARNING(E_STRLOC ": Unable to fork the process\n");
return false;
} else if(pid == 0) {
} else if(gdb_pid == 0) {
/* child; redirect to the file */
dup2(tfd, 1);
t.close();
@ -96,7 +119,7 @@ bool gdb_output_generate(const char *path, TempFile &t) {
argv[3] = (char*)"-x";
argv[4] = (char*)scr.name();
argv[5] = (char*)path;
argv[6] = (char*)CORE_FILE;
argv[6] = (char*)core_path.c_str();
argv[7] = 0;
execvp(argv[0], argv);
@ -104,12 +127,12 @@ bool gdb_output_generate(const char *path, TempFile &t) {
} else {
int status;
if(waitpid(pid, &status, 0) != pid) {
if(waitpid(gdb_pid, &status, 0) != gdb_pid) {
E_WARNING(E_STRLOC ": Failed to execute waitpid() properly\n");
return false;
}
}
file_remove(CORE_FILE);
file_remove(core_path.c_str());
return true;
}

2
ede-bug-tools/ede-crasher/GdbOutput.h
View File

@ -13,6 +13,6 @@
#ifndef __GDBOUTPUT_H__
#define __GDBOUTPUT_H__
bool gdb_output_generate(const char *path, edelib::TempFile &t);
bool gdb_output_generate(const char *path, edelib::TempFile &t, int pid = -1);
#endif