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Unified Diff: src/trusted/service_runtime/nacl_syscall_common.c

Issue 3687005: Report EMSGSIZE when appropriate for sendmsg (Closed) Base URL: svn://svn.chromium.org/native_client/trunk/src/native_client/
Patch Set: '' Created 10 years, 2 months ago
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Index: src/trusted/service_runtime/nacl_syscall_common.c
===================================================================
--- src/trusted/service_runtime/nacl_syscall_common.c (revision 3440)
+++ src/trusted/service_runtime/nacl_syscall_common.c (working copy)
@@ -1731,6 +1731,12 @@
*/
if (0 != (flags & NACL_DONT_WAIT) && NaClWouldBlock()) {
retval = -NACL_ABI_EAGAIN;
+ } else if (-NACL_ABI_EMSGSIZE == ssize_retval) {
+ /*
+ * Allow the caller to handle the case when imc_sendmsg fails because
+ * the message is too large for the system to send in one piece.
+ */
+ retval = -NACL_ABI_EMSGSIZE;
} else {
/*
* TODO(bsy): the else case is some mysterious internal error.
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