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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/pthread_attr_copy.c | |
| 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/pthread_attr_copy.c')
| -rw-r--r-- | nptl/pthread_attr_copy.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/nptl/pthread_attr_copy.c b/nptl/pthread_attr_copy.c index 77a1a43eeb..eb29557505 100644 --- a/nptl/pthread_attr_copy.c +++ b/nptl/pthread_attr_copy.c @@ -29,18 +29,20 @@ __pthread_attr_copy (pthread_attr_t *target, const pthread_attr_t *source) temp.external = *source; /* Force new allocation. This function has full ownership of temp. */ - temp.internal.cpuset = NULL; - temp.internal.cpusetsize = 0; + temp.internal.extension = NULL; int ret = 0; struct pthread_attr *isource = (struct pthread_attr *) source; - /* Propagate affinity mask information. */ - if (isource->cpusetsize > 0) - ret = __pthread_attr_setaffinity_np (&temp.external, - isource->cpusetsize, - isource->cpuset); + if (isource->extension != NULL) + { + /* Propagate affinity mask information. */ + if (isource->extension->cpusetsize > 0) + ret = __pthread_attr_setaffinity_np (&temp.external, + isource->extension->cpusetsize, + isource->extension->cpuset); + } if (ret != 0) { |