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exit.def

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1 This file is exit.def, from which is created exit.c. -

2 It implements the builtins "exit", and "logout" in Bash. -

3 -

5 -

6 This file is part of GNU Bash, the Bourne Again SHell. -

7 -

8 Bash is free software: you can redistribute it and/or modify -

9 it under the terms of the GNU General Public License as published by -

10 the Free Software Foundation, either version 3 of the License, or -

11 (at your option) any later version. -

12 -

13 Bash is distributed in the hope that it will be useful, -

14 but WITHOUT ANY WARRANTY; without even the implied warranty of -

15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -

16 GNU General Public License for more details. -

17 -

18 You should have received a copy of the GNU General Public License -

19 along with Bash. If not, see <http://www.gnu.org/licenses/>. -

20 -

21 $PRODUCES exit.c -

22 -

23 $BUILTIN exit -

24 $FUNCTION exit_builtin -

25 $SHORT_DOC exit [n] -

26 Exit the shell. -

27 -

28 Exits the shell with a status of N. If N is omitted, the exit status -

29 is that of the last command executed. -

30 $END -

31 -

32 #include <config.h> -

33 -

34 #include "../bashtypes.h" -

35 #include <stdio.h> -

36 -

37 #if defined (HAVE_UNISTD_H) -

38 # include <unistd.h> -

39 #endif -

40 -

41 #include "../bashintl.h" -

42 -

43 #include "../shell.h" -

44 #include "../execute_cmd.h" -

45 #include "../jobs.h" -

46 #include "../trap.h" -

47 -

48 #include "common.h" -

49 #include "builtext.h" /* for jobs_builtin */ -

50 -

51 extern int check_jobs_at_exit; -

52 -

53 static int exit_or_logout __P((WORD_LIST *)); -

54 static int sourced_logout; -

55 -

56 int -

57 exit_builtin (list) -

58 WORD_LIST *list; -

59 { -

CHECK_HELPOPT (list);

never executed: __result = (((const unsigned char *) (const char *) ( ((list)->word->word) ))[3] - __s2[3]);

never executed: end of block

never executed: __result = (((const unsigned char *) (const char *) ( "--help" ))[3] - __s2[3]);

never executed: end of block

never executed: return (258);

(list)	Description
TRUE	evaluated 71 times by 1 test Evaluated by: Self test
FALSE	evaluated 9 times by 1 test Evaluated by: Self test

(list)->word	Description
TRUE	evaluated 71 times by 1 test Evaluated by: Self test
FALSE	never evaluated

(((list)->word... ("--help")[0]	Description
TRUE	evaluated 1 time by 1 test Evaluated by: Self test
FALSE	evaluated 70 times by 1 test Evaluated by: Self test

__extension__ ... )))); }) == 0	Description
TRUE	never evaluated
FALSE	evaluated 1 time by 1 test Evaluated by: Self test

__s1_len > 0	Description
TRUE	never evaluated
FALSE	never evaluated

__result == 0	Description
TRUE	never evaluated
FALSE	never evaluated

__s1_len > 1	Description
TRUE	never evaluated
FALSE	never evaluated

__result == 0	Description
TRUE	never evaluated
FALSE	never evaluated

__s1_len > 2	Description
TRUE	never evaluated
FALSE	never evaluated

__result == 0	Description
TRUE	never evaluated
FALSE	never evaluated

__s2_len > 0	Description
TRUE	never evaluated
FALSE	never evaluated

__result == 0	Description
TRUE	never evaluated
FALSE	never evaluated

__s2_len > 1	Description
TRUE	never evaluated
FALSE	never evaluated

__result == 0	Description
TRUE	never evaluated
FALSE	never evaluated

__s2_len > 2	Description
TRUE	never evaluated
FALSE	never evaluated

__result == 0	Description
TRUE	never evaluated
FALSE	never evaluated

0-71

61 -

if (interactive)

interactive	Description
TRUE	never evaluated
FALSE	evaluated 80 times by 1 test Evaluated by: Self test

0-80

63 { -

64 fprintf (stderr, login_shell ? _("logout\n") : "exit\n"); -

65 fflush (stderr); -

}

never executed: end of block

67 -

return (exit_or_logout (list));

executed 80 times by 1 test: return (exit_or_logout (list));

Executed by:

Self test

69 } -

70 -

71 $BUILTIN logout -

72 $FUNCTION logout_builtin -

73 $SHORT_DOC logout [n] -

74 Exit a login shell. -

75 -

76 Exits a login shell with exit status N. Returns an error if not executed -

77 in a login shell. -

78 $END -

79 -

80 /* How to logout. */ -

81 int -

82 logout_builtin (list) -

83 WORD_LIST *list; -

84 { -

CHECK_HELPOPT (list);

never executed: __result = (((const unsigned char *) (const char *) ( ((list)->word->word) ))[3] - __s2[3]);

never executed: end of block

never executed: __result = (((const unsigned char *) (const char *) ( "--help" ))[3] - __s2[3]);

never executed: end of block

never executed: return (258);

(list)	Description
TRUE	never evaluated
FALSE	evaluated 5 times by 1 test Evaluated by: Self test

(list)->word	Description
TRUE	never evaluated
FALSE	never evaluated

(((list)->word... ("--help")[0]	Description
TRUE	never evaluated
FALSE	never evaluated

__extension__ ... )))); }) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

__s1_len > 0	Description
TRUE	never evaluated
FALSE	never evaluated

__result == 0	Description
TRUE	never evaluated
FALSE	never evaluated

__s1_len > 1	Description
TRUE	never evaluated
FALSE	never evaluated

__result == 0	Description
TRUE	never evaluated
FALSE	never evaluated

__s1_len > 2	Description
TRUE	never evaluated
FALSE	never evaluated

__result == 0	Description
TRUE	never evaluated
FALSE	never evaluated

__s2_len > 0	Description
TRUE	never evaluated
FALSE	never evaluated

__result == 0	Description
TRUE	never evaluated
FALSE	never evaluated

__s2_len > 1	Description
TRUE	never evaluated
FALSE	never evaluated

__result == 0	Description
TRUE	never evaluated
FALSE	never evaluated

__s2_len > 2	Description
TRUE	never evaluated
FALSE	never evaluated

__result == 0	Description
TRUE	never evaluated
FALSE	never evaluated

0-5

86 -

if (login_shell == 0 /* && interactive */)

login_shell == 0	Description
TRUE	evaluated 5 times by 1 test Evaluated by: Self test
FALSE	never evaluated

0-5

88 { -

89 builtin_error (_("not login shell: use `exit'")); -

return (EXECUTION_FAILURE);

executed 5 times by 1 test: return (1);

Executed by:

Self test

91 } -

92 else -

return (exit_or_logout (list));

never executed: return (exit_or_logout (list));

94 } -

95 -

96 static int -

97 exit_or_logout (list) -

98 WORD_LIST *list; -

99 { -

100 int exit_value; -

101 -

102 #if defined (JOB_CONTROL) -

103 int exit_immediate_okay, stopmsg; -

104 -

105

exit_immediate_okay = (interactive == 0 ||

interactive == 0	Description
TRUE	evaluated 80 times by 1 test Evaluated by: Self test
FALSE	never evaluated

0-80

106

last_shell_builtin == exit_builtin ||

last_shell_bui...= exit_builtin	Description
TRUE	never evaluated
FALSE	never evaluated

107

last_shell_builtin == logout_builtin ||

last_shell_bui...logout_builtin	Description
TRUE	never evaluated
FALSE	never evaluated

108

last_shell_builtin == jobs_builtin);

last_shell_bui...= jobs_builtin	Description
TRUE	never evaluated
FALSE	never evaluated

109 -

110 /* Check for stopped jobs if the user wants to. */ -

111

if (exit_immediate_okay == 0)

exit_immediate_okay == 0	Description
TRUE	never evaluated
FALSE	evaluated 80 times by 1 test Evaluated by: Self test

0-80

112 { -

113 register int i; -

114

for (i = stopmsg = 0; i < js.j_jobslots; i++)

i < js.j_jobslots	Description
TRUE	never evaluated
FALSE	never evaluated

115

if (jobs[i] && STOPPED (i))

jobs[i]	Description
TRUE	never evaluated
FALSE	never evaluated

(jobs[(i)]->state == JSTOPPED)	Description
TRUE	never evaluated
FALSE	never evaluated

116

stopmsg = JSTOPPED;

never executed: stopmsg = JSTOPPED;

117

else if (check_jobs_at_exit && stopmsg == 0 && jobs[i] && RUNNING (i))

check_jobs_at_exit	Description
TRUE	never evaluated
FALSE	never evaluated

stopmsg == 0	Description
TRUE	never evaluated
FALSE	never evaluated

jobs[i]	Description
TRUE	never evaluated
FALSE	never evaluated

(jobs[(i)]->state == JRUNNING)	Description
TRUE	never evaluated
FALSE	never evaluated

118

stopmsg = JRUNNING;

never executed: stopmsg = JRUNNING;

119 -

120

if (stopmsg == JSTOPPED)

stopmsg == JSTOPPED	Description
TRUE	never evaluated
FALSE	never evaluated

121

fprintf (stderr, _("There are stopped jobs.\n"));

never executed: fprintf ( stderr , dcgettext (((void *)0), "There are stopped jobs.\n" , 5) );

122

else if (stopmsg == JRUNNING)

stopmsg == JRUNNING	Description
TRUE	never evaluated
FALSE	never evaluated

123

fprintf (stderr, _("There are running jobs.\n"));

never executed: fprintf ( stderr , dcgettext (((void *)0), "There are running jobs.\n" , 5) );

124 -

125

if (stopmsg && check_jobs_at_exit)

stopmsg	Description
TRUE	never evaluated
FALSE	never evaluated

check_jobs_at_exit	Description
TRUE	never evaluated
FALSE	never evaluated

126

list_all_jobs (JLIST_STANDARD);

never executed: list_all_jobs (0);

127 -

128

if (stopmsg)

stopmsg	Description
TRUE	never evaluated
FALSE	never evaluated

129 { -

130 /* This is NOT superfluous because EOF can get here without -

131 going through the command parser. Set both last and this -

132 so that either `exit', `logout', or ^D will work to exit -

133 immediately if nothing intervenes. */ -

134 this_shell_builtin = last_shell_builtin = exit_builtin; -

135

return (EXECUTION_FAILURE);

never executed: return (1);

136 } -

137

}

never executed: end of block

138 #endif /* JOB_CONTROL */ -

139 -

140 /* Get return value if present. This means that you can type -

141 `logout 5' to a shell, and it returns 5. */ -

142 -

143 /* If we're running the exit trap (running_trap == 1, since running_trap -

144 gets set to SIG+1), and we don't have a argument given to `exit' -

145 (list == 0), use the exit status we saved before running the trap -

146 commands (trap_saved_exit_value). */ -

147

exit_value = (running_trap == 1 && list == 0) ? trap_saved_exit_value : get_exitstat (list);

running_trap == 1	Description
TRUE	evaluated 2 times by 1 test Evaluated by: Self test
FALSE	evaluated 78 times by 1 test Evaluated by: Self test

list == 0	Description
TRUE	never evaluated
FALSE	evaluated 2 times by 1 test Evaluated by: Self test

0-78

148 -

149 bash_logout (); -

150 -

151 last_command_exit_value = exit_value; -

152 -

153 /* Exit the program. */ -

154 jump_to_top_level (EXITPROG); -

155 /*NOTREACHED*/ -

156

}

never executed: end of block

157 -

158 void -

159 bash_logout () -

160 { -

161 /* Run our `~/.bash_logout' file if it exists, and this is a login shell. */ -

162

if (login_shell && sourced_logout++ == 0 && subshell_environment == 0)

login_shell	Description
TRUE	never evaluated
FALSE	evaluated 80 times by 1 test Evaluated by: Self test

sourced_logout++ == 0	Description
TRUE	never evaluated
FALSE	never evaluated

subshell_environment == 0	Description
TRUE	never evaluated
FALSE	never evaluated

0-80

163 { -

164 maybe_execute_file ("~/.bash_logout", 1); -

165 #ifdef SYS_BASH_LOGOUT -

166 maybe_execute_file (SYS_BASH_LOGOUT, 1); -

167 #endif -

168

}

never executed: end of block

169

}

executed 80 times by 1 test: end of block

Executed by:

Self test

Source code

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