diff options
Diffstat (limited to 'src/memline.c')
| -rw-r--r-- | src/memline.c | 36 |
1 files changed, 29 insertions, 7 deletions
diff --git a/src/memline.c b/src/memline.c index c5303bb837..4da7b431fc 100644 --- a/src/memline.c +++ b/src/memline.c @@ -1080,6 +1080,32 @@ add_b0_fenc( } } +#if defined(HAVE_SYS_SYSINFO_H) && defined(HAVE_SYSINFO_UPTIME) +# include <sys/sysinfo.h> +#endif + +/* + * Return TRUE if the process with number "b0p->b0_pid" is still running. + * "swap_fname" is the name of the swap file, if it's from before a reboot then + * the result is FALSE; + */ + static int +swapfile_process_running(ZERO_BL *b0p, char_u *swap_fname UNUSED) +{ +#ifdef HAVE_SYSINFO_UPTIME + stat_T st; + struct sysinfo sinfo; + + // If the system rebooted after when the swap file was written then the + // process can't be running now. + if (mch_stat((char *)swap_fname, &st) != -1 + && sysinfo(&sinfo) == 0 + && st.st_mtime < time(NULL) - (override_sysinfo_uptime >= 0 + ? override_sysinfo_uptime : sinfo.uptime)) + return FALSE; +#endif + return mch_process_running(char_to_long(b0p->b0_pid)); +} /* * Try to recover curbuf from the .swp file. @@ -1692,7 +1718,7 @@ ml_recover(int checkext) msg(_("Recovery completed. Buffer contents equals file contents.")); msg_puts(_("\nYou may want to delete the .swp file now.")); #if defined(UNIX) || defined(MSWIN) - if (mch_process_running(char_to_long(b0p->b0_pid))) + if (swapfile_process_running(b0p, fname_used)) { // Warn there could be an active Vim on the same file, the user may // want to kill it. @@ -2170,7 +2196,7 @@ swapfile_info(char_u *fname) msg_puts(_("\n process ID: ")); msg_outnum(char_to_long(b0.b0_pid)); #if defined(UNIX) || defined(MSWIN) - if (mch_process_running(char_to_long(b0.b0_pid))) + if (swapfile_process_running(&b0, fname)) { msg_puts(_(" (STILL RUNNING)")); # ifdef HAVE_PROCESS_STILL_RUNNING @@ -2213,9 +2239,6 @@ swapfile_unchanged(char_u *fname) int fd; struct block0 b0; int ret = TRUE; -#if defined(UNIX) || defined(MSWIN) - long pid; -#endif // must be able to stat the swap file if (mch_stat((char *)fname, &st) == -1) @@ -2258,8 +2281,7 @@ swapfile_unchanged(char_u *fname) } // process must be known and not be running - pid = char_to_long(b0.b0_pid); - if (pid == 0L || mch_process_running(pid)) + if (char_to_long(b0.b0_pid) == 0L || swapfile_process_running(&b0, fname)) ret = FALSE; #endif |