Fixed bug #5283 - limit thread name to 16 characters when using pthread_setname_np()

This commit is contained in:
Sylvain 2022-02-02 09:58:15 +01:00
parent b11dfd7611
commit 9e46a512b1
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@ -41,6 +41,8 @@
#include "../../core/linux/SDL_dbus.h"
#endif /* __LINUX__ */
#undef HAVE_DLOPEN
#if (defined(__LINUX__) || defined(__MACOSX__) || defined(__IPHONEOS__)) && defined(HAVE_DLOPEN)
#include <dlfcn.h>
#ifndef RTLD_DEFAULT
@ -137,22 +139,25 @@ SDL_SYS_SetupThread(const char *name)
#if defined(__MACOSX__) || defined(__IPHONEOS__)
ppthread_setname_np(name);
#elif defined(__LINUX__)
ppthread_setname_np(pthread_self(), name);
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
pthread_setname_np(pthread_self(), name);
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);
#elif defined(__HAIKU__)
/* The docs say the thread name can't be longer than B_OS_NAME_LENGTH. */
char namebuf[B_OS_NAME_LENGTH];
SDL_snprintf(namebuf, sizeof (namebuf), "%s", name);
namebuf[sizeof (namebuf) - 1] = '\0';
SDL_strlcpy(namebuf, name, sizeof (namebuf));
rename_thread(find_thread(NULL), namebuf);
#endif
}