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| author | Ulrich Drepper <drepper@gmail.com> | 2011-12-21 19:26:29 -0500 |
|---|---|---|
| committer | Ulrich Drepper <drepper@gmail.com> | 2011-12-21 19:26:29 -0500 |
| commit | 60e8585f2a2aa288a403a581f1dc8d3fc373598b (patch) | |
| tree | eadde2f50d58d87d551978db011b25f14bb7beff /nptl/sysdeps/unix | |
| parent | 8fa26d571d4b87a1c7a7f19f1365f7e5d2995933 (diff) | |
| download | glibc-60e8585f2a2aa288a403a581f1dc8d3fc373598b.tar.gz | |
Fix reading thread name from comm file
Diffstat (limited to 'nptl/sysdeps/unix')
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/pthread_getname.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/pthread_getname.c b/nptl/sysdeps/unix/sysv/linux/pthread_getname.c index 6e7786f987..2c5ee6305e 100644 --- a/nptl/sysdeps/unix/sysv/linux/pthread_getname.c +++ b/nptl/sysdeps/unix/sysv/linux/pthread_getname.c @@ -1,5 +1,5 @@ /* pthread_getname_np -- Get thread name. Linux version - Copyright (C) 2010 Free Software Foundation, Inc. + Copyright (C) 2010, 2011 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -57,6 +57,15 @@ pthread_getname_np (th, buf, len) ssize_t n = TEMP_FAILURE_RETRY (read_not_cancel (fd, buf, len)); if (n < 0) res = errno; + else + { + if (buf[n - 1] == '\n') + buf[n - 1] = '\0'; + else if (n == len) + res = ERANGE; + else + buf[n] = '\0'; + } close_not_cancel_no_status (fd); |