LibC: Add mmap_with_name() that names the allocation immediately.

This allows us to skip the separate call to set_mmap_name() in code that
we control, e.g malloc() and GraphicsBitmap.

1 files changed, 12 insertions, 1 deletions

diff --git a/LibC/mman.cpp b/LibC/mman.cpp
index 174643712b..bd87e5989c 100644
--- a/LibC/mman.cpp
+++ b/LibC/mman.cpp
@@ -7,7 +7,18 @@ extern "C" {
 
 void* mmap(void* addr, size_t size, int prot, int flags, int fd, off_t offset)
 {
-    Syscall::SC_mmap_params params { (dword)addr, size, prot, flags, fd, offset };
+    Syscall::SC_mmap_params params { (dword)addr, size, prot, flags, fd, offset, nullptr };
+    int rc = syscall(SC_mmap, &params);
+    if (rc < 0 && -rc < EMAXERRNO) {
+        errno = -rc;
+        return (void*)-1;
+    }
+    return (void*)rc;
+}
+
+void* mmap_with_name(void* addr, size_t size, int prot, int flags, int fd, off_t offset, const char* name)
+{
+    Syscall::SC_mmap_params params { (dword)addr, size, prot, flags, fd, offset, name };
     int rc = syscall(SC_mmap, &params);
     if (rc < 0 && -rc < EMAXERRNO) {
         errno = -rc;