diff options
| author |   Florin Coras <fcoras@cisco.com> | 2018-07-04 04:17:41 -0700 |
|---|---|---|
| committer |   Marco Varlese <marco.varlese@suse.de> | 2018-07-06 08:40:18 +0000 |
| commit | 65784c1602c7c8171effd00384f65f546d93a13b (patch) | |
| tree | e649a73d3420d1df96e40d0087be6e5d1fbf1f57 /src/svm/ssvm.c | |
| parent | 01a771b12198b3f07d67a4bc73650c1f65257708 (diff) | |
svm: add unidirectional message queue
Meant for single reader/writer message exchanges. Supports multiple
message rings.
Change-Id: I925de9a6ae19226c5c39a63caff76424ed123a13
Signed-off-by: Florin Coras <fcoras@cisco.com>
Diffstat (limited to 'src/svm/ssvm.c')
| -rw-r--r-- | src/svm/ssvm.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/src/svm/ssvm.c b/src/svm/ssvm.c index 04e0efa3d62..dfb68c039ad 100644 --- a/src/svm/ssvm.c +++ b/src/svm/ssvm.c @@ -29,7 +29,6 @@ int ssvm_master_init_shm (ssvm_private_t * ssvm) { int ssvm_fd, mh_flags = MHEAP_FLAG_DISABLE_VM | MHEAP_FLAG_THREAD_SAFE; - svm_main_region_t *smr = svm_get_root_rp ()->data_base; clib_mem_vm_map_t mapa = { 0 }; u8 junk = 0, *ssvm_filename; ssvm_shared_header_t *sh; @@ -56,8 +55,13 @@ ssvm_master_init_shm (ssvm_private_t * ssvm) if (fchmod (ssvm_fd, S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP) < 0) clib_unix_warning ("ssvm segment chmod"); - if (fchown (ssvm_fd, smr->uid, smr->gid) < 0) - clib_unix_warning ("ssvm segment chown"); + if (svm_get_root_rp ()) + { + /* TODO: is this really needed? */ + svm_main_region_t *smr = svm_get_root_rp ()->data_base; + if (fchown (ssvm_fd, smr->uid, smr->gid) < 0) + clib_unix_warning ("ssvm segment chown"); + } if (lseek (ssvm_fd, ssvm->ssvm_size, SEEK_SET) < 0) { |