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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>
master
Brand Huntsman 2019-05-20 05:07:09 -06:00 committed by Benno Schulenberg
parent b7e2da7434
commit 05f34bbfaf
1 changed files with 4 additions and 0 deletions
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4
src/files.c
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@ -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);