kernel: stuff

3 files changed, 6 insertions, 0 deletions

diff --git a/userland/libc/include/stdio.h b/userland/libc/include/stdio.h
index aebf086..ac49a67 100644
--- a/userland/libc/include/stdio.h
+++ b/userland/libc/include/stdio.h
@@ -76,6 +76,7 @@ int wait(int *stat_loc);
 void exit(int status);
 void *memcpy(void *dest, const void *src, uint32_t n);
 int shm_open(const char *name, int oflag, mode_t mode);
+int shm_unlink(const char *name);
 int dprintf(int fd, const char *format, ...);
 int vdprintf(int fd, const char *format, va_list ap);
 int vprintf(const char *format, va_list ap);
diff --git a/userland/libc/include/syscall.h b/userland/libc/include/syscall.h
index dda4b82..a0303f4 100644
--- a/userland/libc/include/syscall.h
+++ b/userland/libc/include/syscall.h
@@ -52,6 +52,7 @@
 #define SYS_QUEUE_MOD_ENTRIES 44
 #define SYS_QUEUE_WAIT 45
 #define SYS_SENDFILE 46
+#define SYS_SHM_UNLINK 47
 
 int syscall(uint32_t eax, uint32_t ebx, uint32_t ecx, uint32_t edx,
             uint32_t esi, uint32_t edi);
diff --git a/userland/libc/libc.c b/userland/libc/libc.c
index decd002..f1b6bdf 100644
--- a/userland/libc/libc.c
+++ b/userland/libc/libc.c
@@ -272,3 +272,7 @@ int shm_open(const char *name, int oflag, mode_t mode) {
   };
   RC_ERRNO(syscall(SYS_SHM_OPEN, (u32)&args, 0, 0, 0, 0));
 }
+
+int shm_unlink(const char *name) {
+  RC_ERRNO(syscall(SYS_SHM_UNLINK, (u32)name, 0, 0, 0, 0));
+}