X-Git-Url: https://diplodocus.org/git/nmh/blobdiff_plain/a4f7db8d70e4a1f285fb8345d3c9173b4a0cbe17..f1b704d05c9a2209edf851392220438e62470314:/h/prototypes.h

diff --git a/h/prototypes.h b/h/prototypes.h
index 4f1d3295..da5231ba 100644
--- a/h/prototypes.h
+++ b/h/prototypes.h
@@ -178,16 +178,17 @@ int get_term_numcap(char *capability);
  *
  * Files opened for reading are locked with a read lock (if possible by
  * the underlying lock mechanism), files opened for writing are locked
- * using an exclusive lock.
+ * using an exclusive lock.  The int * argument is used to indicate failure
+ * to acquire a lock.
  */
 int lkclosedata(int, const char *);
 int lkclosespool(int, const char *);
 int lkfclosedata(FILE *, const char *);
 int lkfclosespool(FILE *, const char *);
-FILE *lkfopendata(const char *, const char *);
-int lkopendata(const char *, int, mode_t);
+FILE *lkfopendata(const char *, const char *, int *);
+int lkopendata(const char *, int, mode_t, int *);
 FILE *lkfopenspool(const char *, const char *);
-int lkopenspool(const char *, int, mode_t);
+int lkopenspool(const char *, int, mode_t, int *);
 int m_atoi (char *);
 char *m_backup (char *);
 int m_convert (struct msgs *, char *);
@@ -207,6 +208,23 @@ char *m_mktemp(const char *, int *, FILE **);
 char *m_mktemp2(const char *, const char *, int *, FILE **);
 char *m_mktemps(const char *pfx, const char *suffix, int *, FILE **);
 char *get_temp_dir();
+
+/*
+ * Create a subprocess and redirect our standard output to it.
+ *
+ * Arguments are:
+ *
+ * name		- Name of process to create
+ * savestdout	- If true, will save the current stdout file descriptor and
+ *		  m_pclose() will close it at the appropriate time.
+ */
+void m_popen(char *name, int savestdout);
+
+/*
+ * Wait for the last process opened by m_popen().
+ */
+void m_pclose(void);
+
 void m_unknown(m_getfld_state_t *, FILE *);
 int makedir (char *);
 char *message_id (time_t, int);