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9 commits

Author SHA1 Message Date
chenrun1
2cf26036a5 Use lib_get_pathbuffer instead of stack variables 
Summary:
  Modified the usage logic, mainly introduced lib_get_pathbuffer and lib_put_pathbuffer

Signed-off-by: chenrun1 <chenrun1@xiaomi.com>
 2024-11-12 17:21:42 +08:00
Alin Jerpelea
6b5dddd5d7 libs/libc: migrate to SPDX identifier 
Most tools used for compliance and SBOM generation use SPDX identifiers
This change brings us a step closer to an easy SBOM generation.

Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
 2024-10-01 12:25:52 +08:00
hujun5
99eeaafd07 lib_memfd: turn a runtime error into a linker error 
Signed-off-by: hujun5 <hujun5@xiaomi.com>
 2023-10-11 23:39:37 +08:00
Xiang Xiao
aa0b3fcdf9 lib/memfd: shm_unlink or unlink anonymous file 
https://man7.org/linux/man-pages/man2/memfd_create.2.html:
       The name supplied in name is used as a filename and will be
       displayed as the target of the corresponding symbolic link in the
       directory /proc/self/fd/.  The displayed name is always prefixed
       with memfd: and serves only for debugging purposes.  Names do not
       affect the behavior of the file descriptor, and as such multiple
       files can have the same name without any side effects.

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2023-10-06 20:02:30 -04:00
Xiang Xiao
1a06f7a2c9 libc: memfd_create should create /tmp/memfd/ before creating file 
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2023-06-20 20:14:20 +03:00
Xiang Xiao
43f9abf84f libc: Prefer to implement memfd on top of shm 
since shm can work in protected and kernel mode too

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2023-06-20 20:14:20 +03:00
Xiang Xiao
dc2e9b8771 libc: Move memfd related stuff to sys/mman.h 
follow the freebsd definition:
https://github.com/freebsd/freebsd-src/blob/master/sys/sys/mman.h#L207-L228

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2023-02-13 16:00:37 +01:00
Xiang Xiao
8df223a1ef libc: Add LIBC prefix to MEM_FD_VFS_PATH 
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2022-09-20 16:21:06 +08:00
Xiang Xiao
fa2e1897ea libc: Implement memfd on top of tmpfs 
https://man7.org/linux/man-pages/man2/memfd_create.2.html

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
 2022-08-09 22:13:09 +03:00