LibC: Make EWOULDBLOCK an alias for EAGAIN

According to POSIX.1 all error codes have to be distinct - with the exception for EAGAIN and EWOULDBLOCK. Other libcs including eglibc and newlib define EWOULDBLOCK as an alias for EAGAIN and some software including OpenTTD expect this behavior.
AmusedNetwork · May 1, 2021 · a9f488c · a9f488c
1 parent 03f4c48
commit a9f488c
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Showing 2 changed files with 2 additions and 3 deletions.
diff --git a/Userland/Libraries/LibC/errno_numbers.h b/Userland/Libraries/LibC/errno_numbers.h
@@ -133,8 +133,6 @@ enum ErrnoCode {
 #define ENOPROTOOPT ENOPROTOOPT
  ENOTCONN,
 #define ENOTCONN ENOTCONN
- EWOULDBLOCK,
-#define EWOULDBLOCK EWOULDBLOCK
  EPROTONOSUPPORT,
 #define EPROTONOSUPPORT EPROTONOSUPPORT
  EDEADLK,
@@ -158,3 +156,5 @@ enum ErrnoCode {
  EMAXERRNO,
 #define EMAXERRNO EMAXERRNO
 };
+
+#define EWOULDBLOCK EAGAIN
diff --git a/Userland/Libraries/LibC/string.cpp b/Userland/Libraries/LibC/string.cpp
@@ -338,7 +338,6 @@ const char* const sys_errlist[] = {
  "No message",
  "No protocol option",
  "Not connected",
- "Operation would block",
  "Protocol not supported",
  "Resource deadlock would occur",
  "Timed out",