diff options
Diffstat (limited to 'pseudo_ipc.h')
| -rw-r--r-- | pseudo_ipc.h | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/pseudo_ipc.h b/pseudo_ipc.h index 50794a1..063a1ef 100644 --- a/pseudo_ipc.h +++ b/pseudo_ipc.h @@ -33,7 +33,7 @@ typedef struct { pseudo_msg_type_t type; op_id_t op; res_id_t result; - int xerrno; + int access; int client; int fd; dev_t dev; @@ -47,6 +47,22 @@ typedef struct { char path[]; } pseudo_msg_t; +enum { + PSA_EXEC = 1, + PSA_WRITE = (PSA_EXEC << 1), + PSA_READ = (PSA_WRITE << 1), + PSA_APPEND = (PSA_READ << 1), +} pseudo_access_t; + +#define PSEUDO_ACCESS_MAP(mode, fcntl_access, pseudo_access) ((((mode) & O_ACCMODE) == (fcntl_access)) ? (pseudo_access) : (0)) +#define PSEUDO_ACCESS_FLAG(mode, fcntl_access, pseudo_access) (((mode) & (fcntl_access)) ? (pseudo_access) : (0)) +#define PSEUDO_ACCESS(mode) ( \ + PSEUDO_ACCESS_MAP(mode, O_RDONLY, PSA_READ) | \ + PSEUDO_ACCESS_MAP(mode, O_WRONLY, PSA_WRITE) | \ + PSEUDO_ACCESS_MAP(mode, O_RDWR, PSA_READ | PSA_WRITE) | \ + PSEUDO_ACCESS_FLAG(mode, O_APPEND, PSA_APPEND)) +extern int pseudo_access_fopen(const char *); + #define PSEUDO_HEADER_SIZE (offsetof(pseudo_msg_t, path)) extern pseudo_msg_t *pseudo_msg_receive(int fd); |