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This removes the call to log_close(), and refactors how fork() is done. Now
the parent also goes through normal cleanup. This isn't necessary to use the
macro, but it feels cleaner this way.
This removes a call to log_close(). I don't think this should matter.
The call to mac_selinux_init() is moved after parse_argv(). We probably
don't need selinux when printing help().
For PID 1 we adjust the umask to 0, but generators should not run that
way, given that they might be implemented as shell scripts and such.
Let's hence explicitly adjust the umask for them.
We already do this for unit generators. Let's do this for env
generators, too.
Let's not bother contributors with spurious failures nobody can't
seem to reproduce. There is an issue about that where we're trying
to figure out what's going on: https://github.com/systemd/systemd/issues/10696.
The agent is closed after the static destuctors but before the pager.
No users of DEFINE_MAIN_FUNCTION* were using a polkit agent, so this makes no
functional difference.
$ valgrind --show-leak-kinds=all --leak-check=full build/coredumpctl dump --output /tmp/ff
...
==16431== HEAP SUMMARY:
==16431== in use at exit: 3,680 bytes in 13 blocks
==16431== total heap usage: 831 allocs, 818 frees, 197,776 bytes allocated
==16431==
==16431== 2 bytes in 1 blocks are still reachable in loss record 1 of 13
==16431== at 0x483880B: malloc (vg_replace_malloc.c:299)
==16431== by 0x4C4D5AD: strdup (strdup.c:42)
==16431== by 0x49B2387: bus_message_parse_fields (bus-message.c:5300)
==16431== by 0x49A23AF: bus_message_from_malloc (bus-message.c:560)
==16431== by 0x49C459B: bus_socket_make_message (bus-socket.c:1099)
==16431== by 0x49C4C5B: bus_socket_read_message (bus-socket.c:1213)
==16431== by 0x49CE4CE: bus_read_message (sd-bus.c:1777)
==16431== by 0x49CFA2C: sd_bus_call (sd-bus.c:2176)
==16431== by 0x1105F3: check_units_active (coredumpctl.c:1029)
==16431== by 0x110998: run (coredumpctl.c:1087)
==16431== by 0x110A45: main (coredumpctl.c:1100)
==16431==
==16431== 9 bytes in 1 blocks are still reachable in loss record 2 of 13
==16431== at 0x483880B: malloc (vg_replace_malloc.c:299)
==16431== by 0x4939067: malloc_multiply (alloc-util.h:78)
==16431== by 0x493921D: hexmem (hexdecoct.c:62)
==16431== by 0x49C2B75: bus_socket_start_auth_client (bus-socket.c:626)
==16431== by 0x49C2D78: bus_socket_start_auth (bus-socket.c:665)
==16431== by 0x49C3B09: bus_socket_connect (bus-socket.c:915)
==16431== by 0x49CBB08: bus_start_address (sd-bus.c:1103)
==16431== by 0x49CBFEA: sd_bus_start (sd-bus.c:1187)
==16431== by 0x49CC452: sd_bus_open_system_with_description (sd-bus.c:1294)
==16431== by 0x49CC4C6: sd_bus_open_system (sd-bus.c:1303)
==16431== by 0x49D4424: bus_default (sd-bus.c:3655)
==16431== by 0x49D44BC: sd_bus_default_system (sd-bus.c:3668)
==16431==
==16431== 9 bytes in 1 blocks are still reachable in loss record 3 of 13
==16431== at 0x483880B: malloc (vg_replace_malloc.c:299)
==16431== by 0x4C4D5AD: strdup (strdup.c:42)
==16431== by 0x497364E: free_and_strdup (string-util.c:1013)
==16431== by 0x49C9FB1: hello_callback (sd-bus.c:547)
==16431== by 0x49D0A3A: process_reply (sd-bus.c:2498)
==16431== by 0x49D13E0: process_message (sd-bus.c:2677)
==16431== by 0x49D165F: process_running (sd-bus.c:2739)
==16431== by 0x49D20DD: bus_process_internal (sd-bus.c:2957)
==16431== by 0x49D21E8: sd_bus_process (sd-bus.c:2984)
==16431== by 0x49CF21E: bus_ensure_running (sd-bus.c:2053)
==16431== by 0x49CF51F: sd_bus_call (sd-bus.c:2095)
==16431== by 0x1105F3: check_units_active (coredumpctl.c:1029)
==16431==
==16431== 24 bytes in 1 blocks are still reachable in loss record 4 of 13
==16431== at 0x483880B: malloc (vg_replace_malloc.c:299)
==16431== by 0x495CB0D: malloc_multiply (alloc-util.h:78)
==16431== by 0x495CB2A: prioq_new (prioq.c:35)
==16431== by 0x495CC02: prioq_ensure_allocated (prioq.c:60)
==16431== by 0x49CEF84: sd_bus_call_async (sd-bus.c:1995)
==16431== by 0x49CA0E6: bus_send_hello (sd-bus.c:581)
==16431== by 0x49CC019: sd_bus_start (sd-bus.c:1196)
==16431== by 0x49CC452: sd_bus_open_system_with_description (sd-bus.c:1294)
==16431== by 0x49CC4C6: sd_bus_open_system (sd-bus.c:1303)
==16431== by 0x49D4424: bus_default (sd-bus.c:3655)
==16431== by 0x49D44BC: sd_bus_default_system (sd-bus.c:3668)
==16431== by 0x110444: check_units_active (coredumpctl.c:1007)
==16431==
==16431== 38 bytes in 1 blocks are still reachable in loss record 5 of 13
==16431== at 0x483880B: malloc (vg_replace_malloc.c:299)
==16431== by 0x4C4D5AD: strdup (strdup.c:42)
==16431== by 0x497364E: free_and_strdup (string-util.c:1013)
==16431== by 0x49C7F97: sd_bus_set_address (sd-bus.c:269)
==16431== by 0x49CC314: bus_set_address_system (sd-bus.c:1262)
==16431== by 0x49CC3E0: sd_bus_open_system_with_description (sd-bus.c:1281)
==16431== by 0x49CC4C6: sd_bus_open_system (sd-bus.c:1303)
==16431== by 0x49D4424: bus_default (sd-bus.c:3655)
==16431== by 0x49D44BC: sd_bus_default_system (sd-bus.c:3668)
==16431== by 0x110444: check_units_active (coredumpctl.c:1007)
==16431== by 0x110998: run (coredumpctl.c:1087)
==16431== by 0x110A45: main (coredumpctl.c:1100)
==16431==
==16431== 64 bytes in 1 blocks are still reachable in loss record 6 of 13
==16431== at 0x4838748: malloc (vg_replace_malloc.c:298)
==16431== by 0x483AD63: realloc (vg_replace_malloc.c:826)
==16431== by 0x4902663: greedy_realloc (alloc-util.c:55)
==16431== by 0x49C7D7D: sd_bus_new (sd-bus.c:255)
==16431== by 0x49CC398: sd_bus_open_system_with_description (sd-bus.c:1271)
==16431== by 0x49CC4C6: sd_bus_open_system (sd-bus.c:1303)
==16431== by 0x49D4424: bus_default (sd-bus.c:3655)
==16431== by 0x49D44BC: sd_bus_default_system (sd-bus.c:3668)
==16431== by 0x110444: check_units_active (coredumpctl.c:1007)
==16431== by 0x110998: run (coredumpctl.c:1087)
==16431== by 0x110A45: main (coredumpctl.c:1100)
==16431==
==16431== 64 bytes in 1 blocks are still reachable in loss record 7 of 13
==16431== at 0x4838748: malloc (vg_replace_malloc.c:298)
==16431== by 0x483AD63: realloc (vg_replace_malloc.c:826)
==16431== by 0x4902663: greedy_realloc (alloc-util.c:55)
==16431== by 0x49CE54E: bus_rqueue_make_room (sd-bus.c:1786)
==16431== by 0x49C44FC: bus_socket_make_message (bus-socket.c:1087)
==16431== by 0x49C4C5B: bus_socket_read_message (bus-socket.c:1213)
==16431== by 0x49CE4CE: bus_read_message (sd-bus.c:1777)
==16431== by 0x49CE6AF: dispatch_rqueue (sd-bus.c:1814)
==16431== by 0x49D162E: process_running (sd-bus.c:2733)
==16431== by 0x49D20DD: bus_process_internal (sd-bus.c:2957)
==16431== by 0x49D21E8: sd_bus_process (sd-bus.c:2984)
==16431== by 0x49CF21E: bus_ensure_running (sd-bus.c:2053)
==16431==
==16431== 65 bytes in 1 blocks are still reachable in loss record 8 of 13
==16431== at 0x483AB1A: calloc (vg_replace_malloc.c:752)
==16431== by 0x496E5D6: getpeersec (socket-util.c:969)
==16431== by 0x49C291C: bus_get_peercred (bus-socket.c:594)
==16431== by 0x49C2CB2: bus_socket_start_auth (bus-socket.c:650)
==16431== by 0x49C3B09: bus_socket_connect (bus-socket.c:915)
==16431== by 0x49CBB08: bus_start_address (sd-bus.c:1103)
==16431== by 0x49CBFEA: sd_bus_start (sd-bus.c:1187)
==16431== by 0x49CC452: sd_bus_open_system_with_description (sd-bus.c:1294)
==16431== by 0x49CC4C6: sd_bus_open_system (sd-bus.c:1303)
==16431== by 0x49D4424: bus_default (sd-bus.c:3655)
==16431== by 0x49D44BC: sd_bus_default_system (sd-bus.c:3668)
==16431== by 0x110444: check_units_active (coredumpctl.c:1007)
==16431==
==16431== 181 bytes in 1 blocks are still reachable in loss record 9 of 13
==16431== at 0x483AD19: realloc (vg_replace_malloc.c:826)
==16431== by 0x49C4791: bus_socket_read_message (bus-socket.c:1143)
==16431== by 0x49CE4CE: bus_read_message (sd-bus.c:1777)
==16431== by 0x49CFA2C: sd_bus_call (sd-bus.c:2176)
==16431== by 0x1105F3: check_units_active (coredumpctl.c:1029)
==16431== by 0x110998: run (coredumpctl.c:1087)
==16431== by 0x110A45: main (coredumpctl.c:1100)
==16431==
==16431== 256 bytes in 1 blocks are still reachable in loss record 10 of 13
==16431== at 0x483880B: malloc (vg_replace_malloc.c:299)
==16431== by 0x496E740: getpeergroups (socket-util.c:998)
==16431== by 0x49C29BD: bus_get_peercred (bus-socket.c:599)
==16431== by 0x49C2CB2: bus_socket_start_auth (bus-socket.c:650)
==16431== by 0x49C3B09: bus_socket_connect (bus-socket.c:915)
==16431== by 0x49CBB08: bus_start_address (sd-bus.c:1103)
==16431== by 0x49CBFEA: sd_bus_start (sd-bus.c:1187)
==16431== by 0x49CC452: sd_bus_open_system_with_description (sd-bus.c:1294)
==16431== by 0x49CC4C6: sd_bus_open_system (sd-bus.c:1303)
==16431== by 0x49D4424: bus_default (sd-bus.c:3655)
==16431== by 0x49D44BC: sd_bus_default_system (sd-bus.c:3668)
==16431== by 0x110444: check_units_active (coredumpctl.c:1007)
==16431==
==16431== 256 bytes in 1 blocks are still reachable in loss record 11 of 13
==16431== at 0x4838748: malloc (vg_replace_malloc.c:298)
==16431== by 0x483AD63: realloc (vg_replace_malloc.c:826)
==16431== by 0x495D1A0: prioq_put (prioq.c:162)
==16431== by 0x49CF0EA: sd_bus_call_async (sd-bus.c:2023)
==16431== by 0x49CA0E6: bus_send_hello (sd-bus.c:581)
==16431== by 0x49CC019: sd_bus_start (sd-bus.c:1196)
==16431== by 0x49CC452: sd_bus_open_system_with_description (sd-bus.c:1294)
==16431== by 0x49CC4C6: sd_bus_open_system (sd-bus.c:1303)
==16431== by 0x49D4424: bus_default (sd-bus.c:3655)
==16431== by 0x49D44BC: sd_bus_default_system (sd-bus.c:3668)
==16431== by 0x110444: check_units_active (coredumpctl.c:1007)
==16431== by 0x110998: run (coredumpctl.c:1087)
==16431==
==16431== 856 bytes in 1 blocks are still reachable in loss record 12 of 13
==16431== at 0x483AB1A: calloc (vg_replace_malloc.c:752)
==16431== by 0x49A1F33: bus_message_from_header (bus-message.c:458)
==16431== by 0x49A22B1: bus_message_from_malloc (bus-message.c:535)
==16431== by 0x49C459B: bus_socket_make_message (bus-socket.c:1099)
==16431== by 0x49C4C5B: bus_socket_read_message (bus-socket.c:1213)
==16431== by 0x49CE4CE: bus_read_message (sd-bus.c:1777)
==16431== by 0x49CFA2C: sd_bus_call (sd-bus.c:2176)
==16431== by 0x1105F3: check_units_active (coredumpctl.c:1029)
==16431== by 0x110998: run (coredumpctl.c:1087)
==16431== by 0x110A45: main (coredumpctl.c:1100)
==16431==
==16431== 1,856 bytes in 1 blocks are still reachable in loss record 13 of 13
==16431== at 0x483880B: malloc (vg_replace_malloc.c:299)
==16431== by 0x49C6EDF: malloc_multiply (alloc-util.h:78)
==16431== by 0x49C7C81: sd_bus_new (sd-bus.c:235)
==16431== by 0x49CC398: sd_bus_open_system_with_description (sd-bus.c:1271)
==16431== by 0x49CC4C6: sd_bus_open_system (sd-bus.c:1303)
==16431== by 0x49D4424: bus_default (sd-bus.c:3655)
==16431== by 0x49D44BC: sd_bus_default_system (sd-bus.c:3668)
==16431== by 0x110444: check_units_active (coredumpctl.c:1007)
==16431== by 0x110998: run (coredumpctl.c:1087)
==16431== by 0x110A45: main (coredumpctl.c:1100)
==16431==
==16431== LEAK SUMMARY:
==16431== definitely lost: 0 bytes in 0 blocks
==16431== indirectly lost: 0 bytes in 0 blocks
==16431== possibly lost: 0 bytes in 0 blocks
==16431== still reachable: 3,680 bytes in 13 blocks
==16431== suppressed: 0 bytes in 0 blocks
==16431==
We want to propagate the return value from gdb, hence this commit makes
use of the liberalization of DEFINE_MAIN_FUNCTION_WITH_POSITIVE_FAILURE()
in previous commit.
We would open the file very early, which is not nice, if we e.g. fail when
parsing later options. Let's do the usual thing and just open it just before
writing, and close immediately after writing.
This changes DEFINE_MAIN_FUNCTION_WITH_POSITIVE_FAILURE() to propagate positive
return values as they were, i.e. stops mapping them all to EXIT_FAILURE. This
was suggested in review, but I thought that we only ever return EXIT_FAILURE,
so we don't need to propagate multiple return values.
I was wrong. Turns out that we already *do* have multiple positive return
values, when we call external binaries and propagate the result. systemd-inhibit
is one example, and b453c447e0 actually broke
this propagation. This commit fixes it.
In systemd-fsck we have the opposite case: we have only one failure value, and the
code needs to be adjusted, so that it keeps returning EXIT_FAILURE.
All other users of DEFINE_MAIN_FUNCTION_WITH_POSITIVE_FAILURE() return <= 1, and
are unaffected by this change.
We generally want to close the pager last. This patch closes the pager last,
after the static destuctor calls. This means that they can do logging and such
like during normal program runtime.
