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| author | Florian Weimer <fweimer@redhat.com> | 2020-06-02 10:33:30 +0200 |
|---|---|---|
| committer | Florian Weimer <fweimer@redhat.com> | 2020-06-02 11:54:58 +0200 |
| commit | 7538d461134bf306e31b40e4032f0c225bb40d51 (patch) | |
| tree | 34c4ceb7c6565864dfc62d8e23dd8f37e24944af /nptl/pthreadP.h | |
| parent | 6993670b52daa413717e840dfb17b5322e7f4a88 (diff) | |
| download | glibc-7538d461134bf306e31b40e4032f0c225bb40d51.tar.gz glibc-7538d461134bf306e31b40e4032f0c225bb40d51.tar.xz glibc-7538d461134bf306e31b40e4032f0c225bb40d51.zip | |
nptl: Make pthread_attr_t dynamically extensible
This introduces the function __pthread_attr_extension to allocate the extension space, which is freed by pthread_attr_destroy. Reviewed-by: Carlos O'Donell <carlos@redhat.com>
Diffstat (limited to 'nptl/pthreadP.h')
| -rw-r--r-- | nptl/pthreadP.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/nptl/pthreadP.h b/nptl/pthreadP.h index ed30b72923..7b3153594e 100644 --- a/nptl/pthreadP.h +++ b/nptl/pthreadP.h @@ -578,6 +578,12 @@ extern void __shm_directory_freeres (void) attribute_hidden; extern void __wait_lookup_done (void) attribute_hidden; +/* Allocates the extension space for ATTR. Returns an error code on + memory allocation failure, zero on success. If ATTR already has an + extension space, this function does nothing. */ +int __pthread_attr_extension (struct pthread_attr *attr) attribute_hidden + __attribute_warn_unused_result__; + #ifdef SHARED # define PTHREAD_STATIC_FN_REQUIRE(name) #else |