diff options
Diffstat (limited to 'toolchain/uClibc/patches-0.9.33.2/021-add-posix_madvise.c.patch')
| -rw-r--r-- | toolchain/uClibc/patches-0.9.33.2/021-add-posix_madvise.c.patch | 48 |
1 files changed, 0 insertions, 48 deletions
diff --git a/toolchain/uClibc/patches-0.9.33.2/021-add-posix_madvise.c.patch b/toolchain/uClibc/patches-0.9.33.2/021-add-posix_madvise.c.patch deleted file mode 100644 index 2b18c25..0000000 --- a/toolchain/uClibc/patches-0.9.33.2/021-add-posix_madvise.c.patch +++ /dev/null @@ -1,48 +0,0 @@ -From: "Peter S. Mazinger" <ps.m@gmx.net> -Date: Tue, 26 Apr 2011 23:03:44 +0200 -Subject: [PATCH] add posix_madvise.c - -Signed-off-by: Peter S. Mazinger <ps.m@gmx.net> -Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com> ---- - create mode 100644 libc/sysdeps/linux/common/posix_madvise.c - ---- a/libc/sysdeps/linux/common/Makefile.in -+++ b/libc/sysdeps/linux/common/Makefile.in -@@ -81,7 +81,7 @@ CSRC-$(UCLIBC_HAS_REALTIME) += clock_get - sched_get_priority_max.c sched_get_priority_min.c sched_getscheduler.c \ - sched_rr_get_interval.c sched_setparam.c sched_setscheduler.c sigqueue.c - # clock_getcpuclockid|clock_nanosleep|mq_timedreceive|mq_timedsend|posix_fadvise|posix_fallocate|posix_madvise|posix_memalign|posix_mem_offset|posix_spawnattr_destroy|posix_spawnattr_init|posix_spawnattr_getflags|posix_spawnattr_setflags|posix_spawnattr_getpgroup|posix_spawnattr_setpgroup|posix_spawnattr_getschedparam|posix_spawnattr_setschedparam|posix_spawnattr_getschedpolicy|posix_spawnattr_setschedpolicy|posix_spawnattr_getsigdefault|posix_spawnattr_setsigdefault|posix_spawnattr_getsigmask|posix_spawnattr_setsigmask|posix_spawnattr_init|posix_spawnattr_setflags|posix_spawnattr_setpgroup|posix_spawnattr_setschedparam|posix_spawnattr_setschedpolicy|posix_spawnattr_setsigdefault|posix_spawnattr_setsigmask|posix_spawn_file_actions_addclose|posix_spawn_file_actions_addopen|posix_spawn_file_actions_adddup2|posix_spawn_file_actions_addopen|posix_spawn_file_actions_destroy|posix_spawn_file_actions_init|posix_spawn_file_actions_init|posix_spawn|posix_spawnp|posix_spawnp|posix_typed_mem_get_info|pthread_mutex_timedlock|sem_timedwait --CSRC-$(UCLIBC_HAS_ADVANCED_REALTIME) += posix_fadvise64.c posix_fadvise.c -+CSRC-$(UCLIBC_HAS_ADVANCED_REALTIME) += posix_fadvise64.c posix_fadvise.c posix_madvise.c - CSRC-$(UCLIBC_SUSV4_LEGACY) += utime.c - CSRC-$(UCLIBC_HAS_EPOLL) += epoll.c - CSRC-$(UCLIBC_HAS_XATTR) += xattr.c ---- /dev/null -+++ b/libc/sysdeps/linux/common/posix_madvise.c -@@ -0,0 +1,25 @@ -+/* vi: set sw=4 ts=4: */ -+/* Licensed under the LGPL v2.1, see the file LICENSE in this tarball. */ -+ -+#include <sys/mman.h> -+#include <sys/syscall.h> -+ -+#if defined __NR_madvise && defined __USE_XOPEN2K && defined __UCLIBC_HAS_ADVANCED_REALTIME__ -+int posix_madvise(void *addr, size_t len, int advice) -+{ -+ int result; -+ /* We have one problem: the kernel's MADV_DONTNEED does not -+ * correspond to POSIX's POSIX_MADV_DONTNEED. The former simply -+ * discards changes made to the memory without writing it back to -+ * disk, if this would be necessary. The POSIX behaviour does not -+ * allow this. There is no functionality mapping for the POSIX -+ * behaviour so far so we ignore that advice for now. */ -+ if (advice == POSIX_MADV_DONTNEED) -+ return 0; -+ -+ /* this part might use madvise function */ -+ INTERNAL_SYSCALL_DECL (err); -+ result = INTERNAL_SYSCALL (madvise, err, 3, addr, len, advice); -+ return INTERNAL_SYSCALL_ERRNO (result, err); -+} -+#endif |