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| author | Florian Weimer <fweimer@redhat.com> | 2019-05-27 12:57:45 +0200 |
|---|---|---|
| committer | Florian Weimer <fweimer@redhat.com> | 2019-05-27 12:57:45 +0200 |
| commit | 85188d8211698d1a255f0aec6529546db5c56de3 (patch) | |
| tree | 22642bf4a1b9068291ebb49ec9204a1f9ac2d15c | |
| parent | 5c23c82195fc9e95ae34180250f64438f1e6fb0b (diff) | |
| download | glibc-85188d8211698d1a255f0aec6529546db5c56de3.tar.gz glibc-85188d8211698d1a255f0aec6529546db5c56de3.tar.xz glibc-85188d8211698d1a255f0aec6529546db5c56de3.zip | |
nptl: Add comment to __pthread_get_minstack about external users
| -rw-r--r-- | ChangeLog | 4 | ||||
| -rw-r--r-- | nptl/nptl-init.c | 8 |
2 files changed, 12 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog index b46b581707..53a3ae4ddb 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,7 @@ +2019-05-27 Florian Weimer <fweimer@redhat.com> + + * nptl/nptl-init.c: Add comment. + 2019-05-24 Florian Weimer <fweimer@redhat.com> * resolv/nss_dns/dns-host.c (getanswer_r): Be more explicit about diff --git a/nptl/nptl-init.c b/nptl/nptl-init.c index 2926558b91..73935f8be4 100644 --- a/nptl/nptl-init.c +++ b/nptl/nptl-init.c @@ -407,6 +407,14 @@ strong_alias (__pthread_initialize_minimal_internal, __pthread_initialize_minimal) +/* This function is internal (it has a GLIBC_PRIVATE) version, but it + is widely used (either via weak symbol, or dlsym) to obtain the + __static_tls_size value. This value is then used to adjust the + value of the stack size attribute, so that applications receive the + full requested stack size, not diminished by the TCB and static TLS + allocation on the stack. Once the TCB is separately allocated, + this function should be removed or renamed (if it is still + necessary at that point). */ size_t __pthread_get_minstack (const pthread_attr_t *attr) { |