Handle EINTR while dup2() in handlecgi(). - geomyidae - A small C-based gopherd.

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---

commit 6dc65c6ce9c4a41c034aa1f21d9ff2a1573efde4

parent 73b1a17ecfe53540e39ca60059235ce91c70c932

Author: Christoph Lohmann <20h@r-36.net>

Date:   Sat, 22 Jul 2023 17:17:35 +0200

Handle EINTR while dup2() in handlecgi().

Diffstat:
  M handlr.c                            |       6 +++---

1 file changed, 3 insertions(+), 3 deletions(-)
---

diff --git a/handlr.c b/handlr.c

@@ -167,9 +167,9 @@ handlecgi(int sock, char *file, char *port, char *base, char *args,
         if (args == NULL)
                 args = "";
 
-        dup2(sock, 0);
-        dup2(sock, 1);
-        dup2(sock, 2);
+        while (dup2(sock, 0) < 0 && errno == EINTR);
+        while (dup2(sock, 1) < 0 && errno == EINTR);
+        while (dup2(sock, 2) < 0 && errno == EINTR);
         switch (fork()) {
         case 0:
                 if (path != NULL) {