nano

commit 05f34bbfafbc3a385300b4189b14e75c58927923
parent b7e2da7434bdc3c6b6e3b970e4e37b309e6b4f80
Author: Brand Huntsman <alpha@qzx.com>
Date:   Mon, 20 May 2019 05:07:09 -0600

files: block SIGWINCH while opening a FIFO for reading or writing

This fixes https://savannah.gnu.org/bugs/?56354.
Reported-by: Brand Huntsman <alpha@qzx.com>

Signed-off-by: Brand Huntsman <alpha@qzx.com>

Diffstat:
M
src/files.c
 | 
4
++++

1 file changed, 4 insertions(+), 0 deletions(-)
diff --git a/src/files.c b/src/files.c
@@ -947,6 +947,7 @@ int open_file(const char *filename, bool newfie, FILE **f)
 		statusbar(_("Reading from FIFO..."));
 
 #ifndef NANO_TINY
+	block_sigwinch(TRUE);
 	install_handler_for_Ctrl_C();
 #endif
 
@@ -955,6 +956,7 @@ int open_file(const char *filename, bool newfie, FILE **f)
 
 #ifndef NANO_TINY
 	restore_handler_for_Ctrl_C();
+	block_sigwinch(FALSE);
 #endif
 
 	if (fd == -1) {
@@ -1815,6 +1817,7 @@ bool write_file(const char *name, FILE *f_open, bool tmp,
 
 	if (f_open == NULL) {
 #ifndef NANO_TINY
+		block_sigwinch(TRUE);
 		install_handler_for_Ctrl_C();
 #endif
 		/* Now open the file in place.  Use O_EXCL if tmp is TRUE.  This
@@ -1825,6 +1828,7 @@ bool write_file(const char *name, FILE *f_open, bool tmp,
 
 #ifndef NANO_TINY
 		restore_handler_for_Ctrl_C();
+		block_sigwinch(FALSE);
 #endif
 		/* Set the umask back to the user's original value. */
 		umask(original_umask);