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openSUSE:Step:15-SP4
glibc.11570
abort-no-flush.patch
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File abort-no-flush.patch of Package glibc.11570
Don't close or flush stdio streams on abort [BZ #15436] * stdlib/abort.c (abort): Don't call fflush and __fcloseall. Index: glibc-2.19/stdlib/abort.c =================================================================== --- glibc-2.19.orig/stdlib/abort.c +++ glibc-2.19/stdlib/abort.c @@ -30,9 +30,6 @@ # define ABORT_INSTRUCTION #endif -#include <libio/libioP.h> -#define fflush(s) _IO_flush_all_lockp (0) - /* Exported variable to locate abort message in core files etc. */ struct abort_msg_s *__abort_msg __attribute__ ((nocommon)); libc_hidden_def (__abort_msg) @@ -66,16 +63,8 @@ abort (void) __sigprocmask (SIG_UNBLOCK, &sigs, 0); } - /* Flush all streams. We cannot close them now because the user - might have registered a handler for SIGABRT. */ - if (stage == 1) - { - ++stage; - fflush (NULL); - } - /* Send signal which possibly calls a user handler. */ - if (stage == 2) + if (stage == 1) { /* This stage is special: we must allow repeated calls of `abort' when a user defined handler for SIGABRT is installed. @@ -93,7 +82,7 @@ abort (void) } /* There was a handler installed. Now remove it. */ - if (stage == 3) + if (stage == 2) { ++stage; memset (&act, '\0', sizeof (struct sigaction)); @@ -103,30 +92,22 @@ abort (void) __sigaction (SIGABRT, &act, NULL); } - /* Now close the streams which also flushes the output the user - defined handler might has produced. */ - if (stage == 4) - { - ++stage; - __fcloseall (); - } - /* Try again. */ - if (stage == 5) + if (stage == 3) { ++stage; raise (SIGABRT); } /* Now try to abort using the system specific command. */ - if (stage == 6) + if (stage == 4) { ++stage; ABORT_INSTRUCTION; } /* If we can't signal ourselves and the abort instruction failed, exit. */ - if (stage == 7) + if (stage == 5) { ++stage; _exit (127);
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