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Merge branch 'wip/smcv/o-nonblock' into 'main'

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glib-unix: Clean up use of O_NONBLOCK

See merge request GNOME/glib!3459
This commit is contained in:
Philip Withnall 2023-08-16 17:30:59 +00:00
commit c91917b1be
1 changed files with 8 additions and 14 deletions
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22
glib/glib-unix.c
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@ -37,6 +37,12 @@ G_STATIC_ASSERT (G_ALIGNOF (gssize) == G_ALIGNOF (ssize_t));
G_STATIC_ASSERT (sizeof (GPid) == sizeof (pid_t)); G_STATIC_ASSERT (sizeof (GPid) == sizeof (pid_t));
G_STATIC_ASSERT (G_ALIGNOF (GPid) == G_ALIGNOF (pid_t)); G_STATIC_ASSERT (G_ALIGNOF (GPid) == G_ALIGNOF (pid_t));
/* If this assertion fails, then the ABI of g_unix_open_pipe() would be
* ambiguous on this platform.
* On Linux, usually O_NONBLOCK == 04000 and FD_CLOEXEC == 1, but the same
* might not be true everywhere. */
G_STATIC_ASSERT (O_NONBLOCK != FD_CLOEXEC);
/** /**
* SECTION:gunix * SECTION:gunix
* @title: UNIX-specific utilities and integration * @title: UNIX-specific utilities and integration
@ -133,21 +139,9 @@ g_unix_set_fd_nonblocking (gint fd,
return g_unix_set_error_from_errno (error, errno); return g_unix_set_error_from_errno (error, errno);
if (nonblock) if (nonblock)
{ fcntl_flags |= O_NONBLOCK;
#ifdef O_NONBLOCK
fcntl_flags |= O_NONBLOCK;
#else
fcntl_flags |= O_NDELAY;
#endif
}
else else
{ fcntl_flags &= ~O_NONBLOCK;
#ifdef O_NONBLOCK
fcntl_flags &= ~O_NONBLOCK;
#else
fcntl_flags &= ~O_NDELAY;
#endif
}
if (fcntl (fd, F_SETFL, fcntl_flags) == -1) if (fcntl (fd, F_SETFL, fcntl_flags) == -1)
return g_unix_set_error_from_errno (error, errno); return g_unix_set_error_from_errno (error, errno);