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authorJohn Denker <jsd@av8n.com>2012-06-02 01:58:45 (GMT)
committerJohn Denker <jsd@av8n.com>2012-06-02 01:58:45 (GMT)
commitb732a73bc773789894466b0e5320b2f1fe42c7e9 (patch)
tree385358983f064a1f10a5080b33a3ba13010886db /error_temp.3
parent634d365a03cb0581a062cd3cf4db9ae69f1cde26 (diff)
original, as downloaded from http://www.qmail.org/netqmail-1.06.tar.gz
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+.TH error_temp 3
+.SH NAME
+error_temp \- identify soft syscall error codes
+.SH SYNTAX
+.B #include <error.h>
+
+int \fBerror_temp\fP(\fIe\fR);
+
+int \fIe\fR;
+.SH DESCRIPTION
+.B error_temp
+returns 1 if syscall error code
+.I e
+is a soft error, 0 if it is a hard error.
+Normally
+.I e
+is
+.BR errno .
+
+A hard error is persistent:
+file not found, read-only file system, symbolic link loop, etc.
+
+A soft error is usually transient:
+out of memory, out of disk space, I/O error, disk quota exceeded,
+connection refused, host unreachable, etc.
+.SH "SEE ALSO"
+error(3)