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g_mkstemp: Use O_CLOEXEC for race-free setting of the close-on-exec flag

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mkstemp-like family of functions also use g_open () under the hood so
they should pass the O_CLOEXEC flag there for race-free setting of the
close-on-exec flag.
This commit is contained in:
Maciej S. Szmigiero
2023-02-22 00:38:13 +01:00
parent cbc15d6ceb
commit 8f8ebb1bd0
2 changed files with 4 additions and 4 deletions
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2
gio/glocalfileoutputstream.c
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@@ -1040,7 +1040,7 @@ handle_overwrite_open (const char *filename,
tmp_filename = g_build_filename (dirname, ".goutputstream-XXXXXX", NULL);
g_free (dirname);
tmpfd = g_mkstemp_full (tmp_filename, (readable ? O_RDWR : O_WRONLY) | O_BINARY, mode);
tmpfd = g_mkstemp_full (tmp_filename, (readable ? O_RDWR : O_WRONLY) | O_BINARY | O_CLOEXEC, mode);
if (tmpfd == -1)
{
g_free (tmp_filename);