diff options
| -rw-r--r-- | meson.build | 4 | ||||
| -rw-r--r-- | src/libcamera/shared_mem_object.cpp | 6 |
2 files changed, 10 insertions, 0 deletions
diff --git a/meson.build b/meson.build index 740ead1b..39e4947f 100644 --- a/meson.build +++ b/meson.build @@ -82,6 +82,10 @@ if cc.has_header_symbol('locale.h', 'locale_t', prefix : '#define _GNU_SOURCE') config_h.set('HAVE_LOCALE_T', 1) endif +if cc.has_header_symbol('sys/mman.h', 'memfd_create', prefix : '#define _GNU_SOURCE') + config_h.set('HAVE_MEMFD_CREATE', 1) +endif + if cc.has_header_symbol('stdlib.h', 'secure_getenv', prefix : '#define _GNU_SOURCE') config_h.set('HAVE_SECURE_GETENV', 1) endif diff --git a/src/libcamera/shared_mem_object.cpp b/src/libcamera/shared_mem_object.cpp index b018fb3b..e8cb59f7 100644 --- a/src/libcamera/shared_mem_object.cpp +++ b/src/libcamera/shared_mem_object.cpp @@ -12,6 +12,8 @@ #include <stddef.h> #include <stdint.h> +#include <sys/mman.h> +#include <sys/syscall.h> #include <sys/types.h> #include <unistd.h> @@ -56,7 +58,11 @@ SharedMem::SharedMem() = default; */ SharedMem::SharedMem(const std::string &name, std::size_t size) { +#if HAVE_MEMFD_CREATE int fd = memfd_create(name.c_str(), MFD_CLOEXEC); +#else + int fd = syscall(SYS_memfd_create, name.c_str(), MFD_CLOEXEC); +#endif if (fd < 0) return; |