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add missing retry wraps around syscalls

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This commit is contained in:
Nikita Smith
2026-01-26 15:34:06 -08:00
parent be350c4147
commit 3113db2d08
1 changed files with 7 additions and 7 deletions
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src/demon/linux/demon_core_linux.c
+7 -7
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@@ -139,7 +139,7 @@ dmn_lnx_dl_path_from_pid(Arena *arena, pid_t pid, U64 auxv_base)
String8 dl_path = {0}; String8 dl_path = {0};
int maps_fd = open(str8f(scratch.arena, "/proc/%d/maps", pid).cstr, O_RDONLY); int maps_fd = OS_LNX_RETRY_ON_EINTR(open(str8f(scratch.arena, "/proc/%d/maps", pid).cstr, O_RDONLY));
if(maps_fd != -1) if(maps_fd != -1)
{ {
// read entire /proc/pid/maps // read entire /proc/pid/maps
@@ -195,7 +195,7 @@ dmn_lnx_dl_path_from_pid(Arena *arena, pid_t pid, U64 auxv_base)
} }
} }
close(maps_fd); OS_LNX_RETRY_ON_EINTR(close(maps_fd));
} }
else { Assert(0 && "failed to open DL fd"); } else { Assert(0 && "failed to open DL fd"); }
@@ -273,7 +273,7 @@ dmn_lnx_auxv_from_pid(pid_t pid, ELF_Class elf_class)
} }
} }
brkloop:; brkloop:;
close(auxv_fd); OS_LNX_RETRY_ON_EINTR(close(auxv_fd));
} }
scratch_end(scratch); scratch_end(scratch);
@@ -630,7 +630,7 @@ dmn_lnx_process_alloc(pid_t pid, DMN_LNX_ProcessState state, DMN_LNX_Process *pa
DMN_LNX_Process *process = &dmn_lnx_entity_alloc(DMN_LNX_EntityKind_Process)->process; DMN_LNX_Process *process = &dmn_lnx_entity_alloc(DMN_LNX_EntityKind_Process)->process;
process->pid = pid; process->pid = pid;
process->fd = open(str8f(scratch.arena, "/proc/%d/mem", pid).cstr, O_RDWR); process->fd = OS_LNX_RETRY_ON_EINTR(open(str8f(scratch.arena, "/proc/%d/mem", pid).cstr, O_RDWR));
process->state = state; process->state = state;
process->debug_subprocesses = debug_subprocesses; process->debug_subprocesses = debug_subprocesses;
process->is_cow = is_cow; process->is_cow = is_cow;
@@ -698,13 +698,13 @@ dmn_lnx_process_ctx_alloc(DMN_LNX_Process *process, B32 is_rebased)
Temp scratch = scratch_begin(0, 0); Temp scratch = scratch_begin(0, 0);
String8 dl_path = dmn_lnx_dl_path_from_pid(scratch.arena, process->pid, auxv.base); String8 dl_path = dmn_lnx_dl_path_from_pid(scratch.arena, process->pid, auxv.base);
int dl_fd = open(dl_path.cstr, O_RDONLY); int dl_fd = OS_LNX_RETRY_ON_EINTR(open(dl_path.cstr, O_RDONLY));
DMN_LNX_ProbeList probes = {0}; DMN_LNX_ProbeList probes = {0};
if(dl_fd >= 0) if(dl_fd >= 0)
{ {
probes = dmn_lnx_read_probes(ctx_arena, dl_fd, 0, auxv.base); probes = dmn_lnx_read_probes(ctx_arena, dl_fd, 0, auxv.base);
close(dl_fd); OS_LNX_RETRY_ON_EINTR(close(dl_fd));
} }
for EachNode(n, DMN_LNX_ProbeNode, probes.first) for EachNode(n, DMN_LNX_ProbeNode, probes.first)
@@ -867,7 +867,7 @@ dmn_lnx_process_release(DMN_LNX_Process *process)
} }
// close memory handle // close memory handle
if(close(process->fd) < 0) { Assert(0 && "failed to close memory descriptor"); } if(OS_LNX_RETRY_ON_EINTR(close(process->fd)) < 0) { Assert(0 && "failed to close memory descriptor"); }
// remove pid mapping // remove pid mapping
hash_table_purge_u64(dmn_lnx_state->pid_ht, process->pid); hash_table_purge_u64(dmn_lnx_state->pid_ht, process->pid);