diff options
author | Roland McGrath <roland@hack.frob.com> | 2014-11-18 11:03:35 -0800 |
---|---|---|
committer | Roland McGrath <roland@hack.frob.com> | 2014-11-18 11:03:35 -0800 |
commit | d71035bd9a3a1dc5077ab8d978398f2f960d3555 (patch) | |
tree | 419474d5a5566ce04e5e7548c4fc0d35ac8d40a5 | |
parent | 6540b9916bb2532a32141583ab6f3795b7649b7b (diff) | |
download | glibc-d71035bd9a3a1dc5077ab8d978398f2f960d3555.zip glibc-d71035bd9a3a1dc5077ab8d978398f2f960d3555.tar.gz glibc-d71035bd9a3a1dc5077ab8d978398f2f960d3555.tar.bz2 |
NPTL: Add stub createthread.c
-rw-r--r-- | ChangeLog | 2 | ||||
-rw-r--r-- | nptl/createthread.c | 47 |
2 files changed, 49 insertions, 0 deletions
@@ -1,5 +1,7 @@ 2014-11-18 Roland McGrath <roland@hack.frob.com> + * nptl/createthread.c: New file. + * nptl/createthread.c: Moved ... * sysdeps/unix/sysv/linux/createthread.c: ... here. diff --git a/nptl/createthread.c b/nptl/createthread.c new file mode 100644 index 0000000..330b816 --- /dev/null +++ b/nptl/createthread.c @@ -0,0 +1,47 @@ +/* Low-level thread creation for NPTL. Stub version. + Copyright (C) 2014 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 + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +/* See the comments in pthread_create.c for the requirements for these + two macros and the create_thread function. */ + +#define START_THREAD_DEFN \ + static void __attribute__ ((noreturn)) start_thread (void) +#define START_THREAD_SELF THREAD_SELF + +static int +create_thread (struct pthread *pd, const struct pthread_attr *attr, + bool stopped_start, STACK_VARIABLES_PARMS, bool *thread_ran) +{ + /* If the implementation needs to do some tweaks to the thread after + it has been created at the OS level, it can set STOPPED_START here. */ + + pd->stopped_start = stopped_start; + if (__glibc_unlikely (stopped_start)) + /* We make sure the thread does not run far by forcing it to get a + lock. We lock it here too so that the new thread cannot continue + until we tell it to. */ + lll_lock (pd->lock, LLL_PRIVATE); + + return ENOSYS; + + /* It's started now, so if we fail below, we'll have to cancel it + and let it clean itself up. */ + *thread_ran = true; + + return 0; +} |