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Add support for musl libc

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Based on patch by mauropasse (issue #383).

Signed-off-by: Jeroen Koekkoek <jeroen@koekkoek.nl>
This commit is contained in:
Jeroen Koekkoek 2020-02-05 23:23:04 +01:00
parent 59d4d1eb57
commit 3de040d21a
2 changed files with 6 additions and 4 deletions
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2
src/core/ddsi/src/sysdeps.c
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@ -18,7 +18,7 @@
#include "dds/ddsi/q_log.h"
#include "dds/ddsi/sysdeps.h"
#if DDSRT_WITH_FREERTOS || !(defined __APPLE__ || defined __linux) || (__GNUC__ > 0 && (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__) < 40100)
#if DDSRT_WITH_FREERTOS || !(defined __APPLE__ || (defined __linux && (defined __GLIBC__ || defined __UCLIBC__))) || (__GNUC__ > 0 && (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__) < 40100)
void log_stacktrace (const struct ddsrt_log_cfg *logcfg, const char *name, ddsrt_thread_t tid)
{
DDSRT_UNUSED_ARG (name);

8
src/ddsrt/src/threads/posix/threads.c
View file

@ -39,6 +39,7 @@ typedef struct {
} thread_context_t;
#if defined(__linux)
#include <sys/prctl.h>
#include <sys/syscall.h>
#include <dirent.h>
#define MAXTHREADNAMESIZE (15) /* 16 bytes including null-terminating byte. */
@ -72,9 +73,10 @@ ddsrt_thread_getname(char *str, size_t size)
assert(size > 0);
#if defined(__linux)
/* Thread names are limited to 16 bytes on Linux. ERANGE is returned if the
buffer is smaller than 16 bytes. Use an intermediate buffer. */
(void)pthread_getname_np(pthread_self(), buf, sizeof(buf));
/* Thread names are limited to 16 bytes on Linux, which the buffer should
allow space for. prctl is favored over pthread_getname_np for
portability. e.g. musl libc. */
(void)prctl(PR_GET_NAME, (unsigned long)buf, 0UL, 0UL, 0UL);
cnt = ddsrt_strlcpy(str, buf, size);
#elif defined(__APPLE__)
/* pthread_getname_np on APPLE uses strlcpy to copy the thread name, but