From 87b02d3795cef947360bd24519bb0d0fa777243f Mon Sep 17 00:00:00 2001
From: Sylvain <[EMAIL REDACTED]>
Date: Wed, 2 Feb 2022 15:09:29 +0100
Subject: [PATCH] Linux thread name limitation: test for ERANGE (see bug #5283)
---
src/thread/pthread/SDL_systhread.c | 16 ++++++++++------
1 file changed, 10 insertions(+), 6 deletions(-)
diff --git a/src/thread/pthread/SDL_systhread.c b/src/thread/pthread/SDL_systhread.c
index b89256544e1..473c710a87d 100644
--- a/src/thread/pthread/SDL_systhread.c
+++ b/src/thread/pthread/SDL_systhread.c
@@ -137,18 +137,22 @@ SDL_SYS_SetupThread(const char *name)
#if defined(__MACOSX__) || defined(__IPHONEOS__)
ppthread_setname_np(name);
#elif defined(__LINUX__)
- char namebuf[16]; /* Limited to 16 char */
- SDL_strlcpy(namebuf, name, sizeof (namebuf));
- ppthread_setname_np(pthread_self(), namebuf);
+ if (ppthread_setname_np(pthread_self(), name) == ERANGE) {
+ char namebuf[16]; /* Limited to 16 char */
+ SDL_strlcpy(namebuf, name, sizeof (namebuf));
+ ppthread_setname_np(pthread_self(), namebuf);
+ }
#endif
}
#elif HAVE_PTHREAD_SETNAME_NP
#if defined(__NETBSD__)
pthread_setname_np(pthread_self(), "%s", name);
#else
- char namebuf[16]; /* Limited to 16 char */
- SDL_strlcpy(namebuf, name, sizeof (namebuf));
- pthread_setname_np(pthread_self(), namebuf);
+ if (pthread_setname_np(pthread_self(), name) == ERANGE) {
+ char namebuf[16]; /* Limited to 16 char */
+ SDL_strlcpy(namebuf, name, sizeof (namebuf));
+ pthread_setname_np(pthread_self(), namebuf);
+ }
#endif
#elif HAVE_PTHREAD_SET_NAME_NP
pthread_set_name_np(pthread_self(), name);