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Use execinfo.h only on glibc

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libunwind could also work on musl but that would require more drastic
code changes

Github-ID: https://github.com/ibm-s390-linux/s390-tools/pull/193
Signed-off-by: Sertonix <sertonix@posteo.net>
Reviewed-by: Steffen Eiden <seiden@linux.ibm.com>
Reviewed-by: Ingo Franzki <ifranzki@linux.ibm.com>
Reviewed-by: Jan Höppner <hoeppner@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
This commit is contained in:
Sertonix
2025-10-28 17:55:50 +01:00
committed by Jan Höppner
parent 327d132aac
commit 99d7ec51a7
2 changed files with 13 additions and 1 deletions
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8
libutil/util_panic.c
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@@ -9,12 +9,14 @@
* it under the terms of the MIT license. See LICENSE for details. * it under the terms of the MIT license. See LICENSE for details.
*/ */
#include <execinfo.h>
#include <stdarg.h> #include <stdarg.h>
#include <stdio.h> #include <stdio.h>
#include <stdlib.h> #include <stdlib.h>
#include <sys/resource.h> #include <sys/resource.h>
#include <sys/time.h> #include <sys/time.h>
#ifdef __GLIBC__
#include <execinfo.h>
#endif
#include "lib/util_base.h" #include "lib/util_base.h"
#include "lib/util_panic.h" #include "lib/util_panic.h"
@@ -24,6 +26,7 @@
* *
* To get symbols, link the code with "-rdynamic". * To get symbols, link the code with "-rdynamic".
*/ */
#ifdef __GLIBC__
static void print_backtrace(void) static void print_backtrace(void)
{ {
void *array[256]; void *array[256];
@@ -42,6 +45,9 @@ static void print_backtrace(void)
free(strings); free(strings);
} }
#else
static void print_backtrace(void) {}
#endif
/* /*
* Check for core ulimit * Check for core ulimit

6
zdev/src/misc.c
View File

@@ -10,7 +10,9 @@
#include <ctype.h> #include <ctype.h>
#include <dirent.h> #include <dirent.h>
#include <errno.h> #include <errno.h>
#ifdef __GLIBC__
#include <execinfo.h> #include <execinfo.h>
#endif
#include <limits.h> #include <limits.h>
#include <signal.h> #include <signal.h>
#include <stdarg.h> #include <stdarg.h>
@@ -1191,6 +1193,7 @@ void line_free(int argc, char **argv)
#define BACKTRACE_MAX 32 #define BACKTRACE_MAX 32
/* Used for debugging. */ /* Used for debugging. */
#ifdef __GLIBC__
void print_trace(void) void print_trace(void)
{ {
void *bt[BACKTRACE_MAX]; void *bt[BACKTRACE_MAX];
@@ -1204,6 +1207,9 @@ void print_trace(void)
fprintf(stderr, "DEBUG: %s\n", bt_sym[i]); fprintf(stderr, "DEBUG: %s\n", bt_sym[i]);
free(bt_sym); free(bt_sym);
} }
#else
void print_trace(void) {}
#endif
/* Return a textual representation of @config. */ /* Return a textual representation of @config. */
const char *config_to_str(config_t config) const char *config_to_str(config_t config)