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authorFlorian Weimer <fweimer@redhat.com>2021-06-25 10:30:36 +0200
committerFlorian Weimer <fweimer@redhat.com>2021-06-25 12:19:58 +0200
commit3fe3f8076e4e0d3f5cd27f85dc0aa76b2f625917 (patch)
tree405706ac72d5629cf38ae5845e755665382b29f6 /rt
parent3353a5a4cfcdc6ef58e1ec036bd3f47ebcc16f3c (diff)
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Linux: Move lio_listio, lio_listio64 from librt to libc
The symbols were moved using scripts/move-symbol-to-libc.py. Placeholder symbols are needed on some architectures, to keep the GLIBC_2.1 and GLIBC_2.4 symbol versions around. Reviewed-by: Adhemerva Zanella <adhemerval.zanella@linaro.org>
Diffstat (limited to 'rt')
-rw-r--r--rt/Makefile4
-rw-r--r--rt/Versions20
-rw-r--r--rt/librt-compat.c12
-rw-r--r--rt/lio_listio-common.c29
4 files changed, 54 insertions, 11 deletions
diff --git a/rt/Makefile b/rt/Makefile
index 3d930d1..5a5e45b 100644
--- a/rt/Makefile
+++ b/rt/Makefile
@@ -30,8 +30,6 @@ routines = \
librt-routines = \
librt-compat \
- lio_listio \
- lio_listio64 \
mq_close \
mq_getattr \
mq_notify \
@@ -63,6 +61,8 @@ $(librt-routines-var) += \
aio_suspend \
aio_write \
aio_write64 \
+ lio_listio \
+ lio_listio64 \
tests := tst-shm tst-timer tst-timer2 \
tst-aio tst-aio64 tst-aio2 tst-aio3 tst-aio4 tst-aio5 tst-aio6 \
diff --git a/rt/Versions b/rt/Versions
index f2b4ced..0565707 100644
--- a/rt/Versions
+++ b/rt/Versions
@@ -16,12 +16,20 @@ libc {
aio_suspend64;
aio_write;
aio_write64;
+ lio_listio;
+ lio_listio64;
%endif
}
GLIBC_2.2 {
shm_open;
shm_unlink;
}
+ GLIBC_2.4 {
+%if PTHREAD_IN_LIBC
+ lio_listio;
+ lio_listio64;
+%endif
+ }
GLIBC_2.34 {
%if PTHREAD_IN_LIBC
aio_cancel;
@@ -39,6 +47,8 @@ libc {
aio_suspend64;
aio_write;
aio_write64;
+ lio_listio;
+ lio_listio64;
%endif
shm_open;
shm_unlink;
@@ -59,7 +69,9 @@ libc {
}
librt {
GLIBC_2.1 {
-%if !PTHREAD_IN_LIBC
+%if PTHREAD_IN_LIBC
+ __librt_version_placeholder;
+%else
aio_cancel;
aio_cancel64;
aio_error;
@@ -75,9 +87,9 @@ librt {
aio_suspend64;
aio_write;
aio_write64;
-%endif
lio_listio;
lio_listio64;
+%endif
}
GLIBC_2.2 {
timer_create;
@@ -99,8 +111,12 @@ librt {
mq_unlink;
}
GLIBC_2.4 {
+%if PTHREAD_IN_LIBC
+ __librt_version_placeholder;
+%else
lio_listio;
lio_listio64;
+%endif
}
GLIBC_2.7 {
__mq_open_2;
diff --git a/rt/librt-compat.c b/rt/librt-compat.c
index 7e5f1db..23c87b0 100644
--- a/rt/librt-compat.c
+++ b/rt/librt-compat.c
@@ -26,4 +26,16 @@ __attribute_used__
__librt_version_placeholder_1 (void)
{
}
+
+# if SHLIB_COMPAT (librt, GLIBC_2_1, GLIBC_2_2)
+compat_symbol (librt, __librt_version_placeholder_1,
+ __librt_version_placeholder, GLIBC_2_1);
+# endif
+
+# if SHLIB_COMPAT (librt, GLIBC_2_4, GLIBC_2_34) \
+ && ABI_librt_GLIBC_2_4 != ABI_librt_GLIBC_2_1
+compat_symbol (librt, __librt_version_placeholder_1,
+ __librt_version_placeholder, GLIBC_2_4);
+# endif
+
#endif
diff --git a/rt/lio_listio-common.c b/rt/lio_listio-common.c
index 3e087aa..aa4ee5f 100644
--- a/rt/lio_listio-common.c
+++ b/rt/lio_listio-common.c
@@ -42,6 +42,7 @@
#include <errno.h>
#include <stdlib.h>
#include <unistd.h>
+#include <pthreadP.h>
#include <aio_misc.h>
@@ -87,7 +88,7 @@ lio_listio_internal (int mode, struct AIOCB *const list[], int nent,
}
/* Request the mutex. */
- pthread_mutex_lock (&__aio_requests_mutex);
+ __pthread_mutex_lock (&__aio_requests_mutex);
/* Now we can enqueue all requests. Since we already acquired the
mutex the enqueue function need not do this. */
@@ -120,7 +121,7 @@ lio_listio_internal (int mode, struct AIOCB *const list[], int nent,
/* Release the mutex. We do this before raising a signal since the
signal handler might do a `siglongjmp' and then the mutex is
locked forever. */
- pthread_mutex_unlock (&__aio_requests_mutex);
+ __pthread_mutex_unlock (&__aio_requests_mutex);
if (LIO_MODE (mode) == LIO_NOWAIT)
__aio_notify_only (sig);
@@ -223,13 +224,13 @@ lio_listio_internal (int mode, struct AIOCB *const list[], int nent,
}
/* Release the mutex. */
- pthread_mutex_unlock (&__aio_requests_mutex);
+ __pthread_mutex_unlock (&__aio_requests_mutex);
return result;
}
-#if SHLIB_COMPAT (librt, GLIBC_2_1, GLIBC_2_4)
+#if OTHER_SHLIB_COMPAT (librt, GLIBC_2_1, GLIBC_2_4)
int
attribute_compat_text_section
LIO_LISTIO_OLD (int mode, struct AIOCB *const list[], int nent,
@@ -248,7 +249,7 @@ compat_symbol (librt, LIO_LISTIO_OLD, LIO_LISTIO, GLIBC_2_1);
# if __WORDSIZE == 64
compat_symbol (librt, LIO_LISTIO_OLD, lio_listio64, GLIBC_2_1);
# endif
-#endif /* SHLIB_COMPAT */
+#endif /* OTHER_SHLIB_COMPAT */
int
@@ -264,7 +265,21 @@ LIO_LISTIO_NEW (int mode, struct AIOCB *const list[], int nent,
return lio_listio_internal (mode, list, nent, sig);
}
+
+#if PTHREAD_IN_LIBC
+versioned_symbol (libc, LIO_LISTIO_NEW, LIO_LISTIO, GLIBC_2_34);
+# if __WORDSIZE == 64
+versioned_symbol (libc, LIO_LISTIO_NEW, lio_listio64, GLIBC_2_34);
+# endif
+# if OTHER_SHLIB_COMPAT (librt, GLIBC_2_4, GLIBC_2_34)
+compat_symbol (librt, LIO_LISTIO_NEW, LIO_LISTIO, GLIBC_2_4);
+# if __WORDSIZE == 64
+compat_symbol (librt, LIO_LISTIO_NEW, lio_listio64, GLIBC_2_4);
+# endif
+# endif /* OTHER_SHLIB_COMPAT */
+#else /* !PTHREAD_IN_LIBC */
versioned_symbol (librt, LIO_LISTIO_NEW, LIO_LISTIO, GLIBC_2_4);
-#if __WORDSIZE == 64
+# if __WORDSIZE == 64
versioned_symbol (librt, LIO_LISTIO_NEW, lio_listio64, GLIBC_2_4);
-#endif
+# endif
+#endif /* !PTHREAD_IN_LIBC */