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

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Sylvain 2022-02-02 09:58:15 +01:00
parent b11dfd7611
commit 9e46a512b1
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GPG key ID: 5F87E02E5BC0939E
1 changed files with 9 additions and 4 deletions
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13
src/thread/pthread/SDL_systhread.c
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@ -41,6 +41,8 @@
#include "../../core/linux/SDL_dbus.h" #include "../../core/linux/SDL_dbus.h"
#endif /* __LINUX__ */ #endif /* __LINUX__ */
#undef HAVE_DLOPEN
#if (defined(__LINUX__) || defined(__MACOSX__) || defined(__IPHONEOS__)) && defined(HAVE_DLOPEN) #if (defined(__LINUX__) || defined(__MACOSX__) || defined(__IPHONEOS__)) && defined(HAVE_DLOPEN)
#include <dlfcn.h> #include <dlfcn.h>
#ifndef RTLD_DEFAULT #ifndef RTLD_DEFAULT
@ -137,22 +139,25 @@ SDL_SYS_SetupThread(const char *name)
#if defined(__MACOSX__) || defined(__IPHONEOS__) #if defined(__MACOSX__) || defined(__IPHONEOS__)
ppthread_setname_np(name); ppthread_setname_np(name);
#elif defined(__LINUX__) #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 #endif
} }
#elif HAVE_PTHREAD_SETNAME_NP #elif HAVE_PTHREAD_SETNAME_NP
#if defined(__NETBSD__) #if defined(__NETBSD__)
pthread_setname_np(pthread_self(), "%s", name); pthread_setname_np(pthread_self(), "%s", name);
#else #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 #endif
#elif HAVE_PTHREAD_SET_NAME_NP #elif HAVE_PTHREAD_SET_NAME_NP
pthread_set_name_np(pthread_self(), name); pthread_set_name_np(pthread_self(), name);
#elif defined(__HAIKU__) #elif defined(__HAIKU__)
/* The docs say the thread name can't be longer than B_OS_NAME_LENGTH. */ /* The docs say the thread name can't be longer than B_OS_NAME_LENGTH. */
char namebuf[B_OS_NAME_LENGTH]; char namebuf[B_OS_NAME_LENGTH];
SDL_snprintf(namebuf, sizeof (namebuf), "%s", name); SDL_strlcpy(namebuf, name, sizeof (namebuf));
namebuf[sizeof (namebuf) - 1] = '\0';
rename_thread(find_thread(NULL), namebuf); rename_thread(find_thread(NULL), namebuf);
#endif #endif
} }