From d674667cbaa84ff4cf82cfedacad0665ae6cb440 Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Thu, 23 Jan 2014 01:16:14 -0500 Subject: shm_open: sync with logic in sem_open Signed-off-by: Mike Frysinger --- sysdeps/unix/sysv/linux/shm_open.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) (limited to 'sysdeps/unix/sysv') diff --git a/sysdeps/unix/sysv/linux/shm_open.c b/sysdeps/unix/sysv/linux/shm_open.c index 5f23515b9c..fef8fd531a 100644 --- a/sysdeps/unix/sysv/linux/shm_open.c +++ b/sysdeps/unix/sysv/linux/shm_open.c @@ -62,7 +62,8 @@ where_is_shmfs (void) /* The canonical place is /dev/shm. This is at least what the documentation tells everybody to do. */ - if (__statfs (defaultdir, &f) == 0 && f.f_type == SHMFS_SUPER_MAGIC) + if (__statfs (defaultdir, &f) == 0 && (f.f_type == SHMFS_SUPER_MAGIC + || f.f_type == RAMFS_MAGIC)) { /* It is in the normal place. */ mountpoint.dir = (char *) defaultdir; @@ -86,7 +87,8 @@ where_is_shmfs (void) while ((mp = __getmntent_r (fp, &resmem, buf, sizeof buf)) != NULL) /* The original name is "shm" but this got changed in early Linux 2.4.x to "tmpfs". */ - if (strcmp (mp->mnt_type, "tmpfs") == 0) + if (strcmp (mp->mnt_type, "tmpfs") == 0 + || strcmp (mp->mnt_type, "shm") == 0) { /* Found it. There might be more than one place where the filesystem is mounted but one is enough for us. */ @@ -95,7 +97,8 @@ where_is_shmfs (void) /* First make sure this really is the correct entry. At least some versions of the kernel give wrong information because of the implicit mount of the shmfs for SysV IPC. */ - if (__statfs (mp->mnt_dir, &f) != 0 || f.f_type != SHMFS_SUPER_MAGIC) + if (__statfs (mp->mnt_dir, &f) != 0 || (f.f_type != SHMFS_SUPER_MAGIC + && f.f_type != RAMFS_MAGIC)) continue; namelen = strlen (mp->mnt_dir); -- cgit v1.2.3