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o_cloexec; preserve leading slashes in root-level paths

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This commit is contained in:
Ryan Fleury
2025-11-07 16:37:30 -08:00
parent d4d2159389
commit 035e72306d
4 changed files with 327 additions and 312 deletions
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src/demon/linux/demon_core_linux.c
+304 -304
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File diff suppressed because it is too large Load Diff
src/demon/linux/demon_os_linux.c
+4 -4
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@@ -110,7 +110,7 @@ internal int
demon_lnx_open_memory_fd_for_pid(pid_t pid){
Temp scratch = scratch_begin(0, 0);
String8 memory_path = push_str8f(scratch.arena, "/proc/%i/mem", pid);
int result = open((char*)memory_path.str, O_RDWR);
int result = open((char*)memory_path.str, O_RDWR|O_CLOEXEC);
scratch_end(scratch);
return(result);
}
@@ -126,7 +126,7 @@ demon_lnx_arch_from_pid(pid_t pid){
// handle to exe
int exe_fd = -1;
if (exe_path.size != 0){
exe_fd = open((char*)exe_path.str, O_RDONLY);
exe_fd = open((char*)exe_path.str, O_RDONLY|O_CLOEXEC);
}
// elf identification
@@ -199,7 +199,7 @@ demon_lnx_aux_from_pid(pid_t pid, Arch arch){
// open aux data
Temp scratch = scratch_begin(0, 0);
String8 auxv_symbol_path = push_str8f(scratch.arena, "/proc/%d/auxv", pid);
int aux_fd = open((char*)auxv_symbol_path.str, O_RDONLY);
int aux_fd = open((char*)auxv_symbol_path.str, O_RDONLY|O_CLOEXEC);
// scan aux data
if (aux_fd >= 0){
@@ -670,7 +670,7 @@ internal int
demon_lnx_open_maps(pid_t pid){
Temp scratch = scratch_begin(0, 0);
String8 path = push_str8f(scratch.arena, "/proc/%d/maps", pid);
int maps = open((char*)path.str, O_RDONLY);
int maps = open((char*)path.str, O_RDONLY|O_CLOEXEC);
scratch_end(scratch);
return(maps);
}