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grub2/0011-Make-exit-take-a-return-code.patch
Peter Jones 7ec92ff56a Rebased to newer upstream for fedora-25 
Signed-off-by: Peter Jones <pjones@redhat.com>
2016-12-01 17:10:14 -05:00

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From 6879936079d17ace35cebcab787f7fb9f8cd205e Mon Sep 17 00:00:00 2001
From: Peter Jones <pjones@redhat.com>
Date: Wed, 26 Feb 2014 21:49:12 -0500
Subject: [PATCH 11/88] Make "exit" take a return code.
This adds "exit" with a return code. With this patch, any "exit"
command /may/ include a return code, and on platforms that support
returning with an exit status, we will do so. By default we return the
same exit status we did before this patch.
Signed-off-by: Peter Jones <pjones@redhat.com>
---
grub-core/commands/minicmd.c | 20 ++++++++++++++++----
grub-core/kern/efi/efi.c | 9 +++++++--
grub-core/kern/emu/main.c | 2 +-
grub-core/kern/emu/misc.c | 5 +++--
grub-core/kern/i386/coreboot/init.c | 2 +-
grub-core/kern/i386/qemu/init.c | 2 +-
grub-core/kern/ieee1275/init.c | 2 +-
grub-core/kern/mips/arc/init.c | 2 +-
grub-core/kern/mips/loongson/init.c | 2 +-
grub-core/kern/mips/qemu_mips/init.c | 2 +-
grub-core/kern/misc.c | 2 +-
grub-core/kern/uboot/init.c | 6 +++---
grub-core/kern/xen/init.c | 2 +-
include/grub/misc.h | 2 +-
14 files changed, 39 insertions(+), 21 deletions(-)
diff --git a/grub-core/commands/minicmd.c b/grub-core/commands/minicmd.c
index a3a1182..b25ca4b 100644
--- a/grub-core/commands/minicmd.c
+++ b/grub-core/commands/minicmd.c
@@ -176,12 +176,24 @@ grub_mini_cmd_lsmod (struct grub_command *cmd __attribute__ ((unused)),
}
/* exit */
-static grub_err_t __attribute__ ((noreturn))
+static grub_err_t
grub_mini_cmd_exit (struct grub_command *cmd __attribute__ ((unused)),
- int argc __attribute__ ((unused)),
- char *argv[] __attribute__ ((unused)))
+ int argc, char *argv[])
{
- grub_exit ();
+ int retval = -1;
+ unsigned long n;
+
+ if (argc < 0 || argc > 1)
+ return grub_error (GRUB_ERR_BAD_ARGUMENT, N_("one argument expected"));
+
+ if (argc == 1)
+ {
+ n = grub_strtoul (argv[0], 0, 10);
+ if (n != ~0UL)
+ retval = n;
+ }
+
+ grub_exit (retval);
/* Not reached. */
}
diff --git a/grub-core/kern/efi/efi.c b/grub-core/kern/efi/efi.c
index caf9bcc..101307f 100644
--- a/grub-core/kern/efi/efi.c
+++ b/grub-core/kern/efi/efi.c
@@ -155,11 +155,16 @@ grub_efi_get_loaded_image (grub_efi_handle_t image_handle)
}
void
-grub_exit (void)
+grub_exit (int retval)
{
+ int rc = GRUB_EFI_LOAD_ERROR;
+
+ if (retval == 0)
+ rc = GRUB_EFI_SUCCESS;
+
grub_machine_fini (GRUB_LOADER_FLAG_NORETURN);
efi_call_4 (grub_efi_system_table->boot_services->exit,
- grub_efi_image_handle, GRUB_EFI_SUCCESS, 0, 0);
+ grub_efi_image_handle, rc, 0, 0);
for (;;) ;
}
diff --git a/grub-core/kern/emu/main.c b/grub-core/kern/emu/main.c
index f91280f..34634d3 100644
--- a/grub-core/kern/emu/main.c
+++ b/grub-core/kern/emu/main.c
@@ -66,7 +66,7 @@ grub_reboot (void)
}
void
-grub_exit (void)
+grub_exit (int retval __attribute__((unused)))
{
grub_reboot ();
}
diff --git a/grub-core/kern/emu/misc.c b/grub-core/kern/emu/misc.c
index d361feb..331fa62 100644
--- a/grub-core/kern/emu/misc.c
+++ b/grub-core/kern/emu/misc.c
@@ -136,9 +136,10 @@ xasprintf (const char *fmt, ...)
#if !defined (GRUB_MACHINE_EMU) || defined (GRUB_UTIL)
void
-grub_exit (void)
+__attribute__ ((noreturn))
+grub_exit (int rc)
{
- exit (1);
+ exit (rc < 0 ? 1 : rc);
}
#endif
diff --git a/grub-core/kern/i386/coreboot/init.c b/grub-core/kern/i386/coreboot/init.c
index 3314f02..36f9134 100644
--- a/grub-core/kern/i386/coreboot/init.c
+++ b/grub-core/kern/i386/coreboot/init.c
@@ -41,7 +41,7 @@ extern grub_uint8_t _end[];
extern grub_uint8_t _edata[];
void __attribute__ ((noreturn))
-grub_exit (void)
+grub_exit (int rc __attribute__((unused)))
{
/* We can't use grub_fatal() in this function. This would create an infinite
loop, since grub_fatal() calls grub_abort() which in turn calls grub_exit(). */
diff --git a/grub-core/kern/i386/qemu/init.c b/grub-core/kern/i386/qemu/init.c
index 271b6fb..9fafe98 100644
--- a/grub-core/kern/i386/qemu/init.c
+++ b/grub-core/kern/i386/qemu/init.c
@@ -42,7 +42,7 @@ extern grub_uint8_t _end[];
extern grub_uint8_t _edata[];
void __attribute__ ((noreturn))
-grub_exit (void)
+grub_exit (int rc __attribute__((unused)))
{
/* We can't use grub_fatal() in this function. This would create an infinite
loop, since grub_fatal() calls grub_abort() which in turn calls grub_exit(). */
diff --git a/grub-core/kern/ieee1275/init.c b/grub-core/kern/ieee1275/init.c
index 5fa26e1..8a3ecd5 100644
--- a/grub-core/kern/ieee1275/init.c
+++ b/grub-core/kern/ieee1275/init.c
@@ -68,7 +68,7 @@ grub_addr_t grub_ieee1275_original_stack;
#endif
void
-grub_exit (void)
+grub_exit (int rc __attribute__((unused)))
{
grub_ieee1275_exit ();
}
diff --git a/grub-core/kern/mips/arc/init.c b/grub-core/kern/mips/arc/init.c
index 3834a14..86b3a25 100644
--- a/grub-core/kern/mips/arc/init.c
+++ b/grub-core/kern/mips/arc/init.c
@@ -276,7 +276,7 @@ grub_halt (void)
}
void
-grub_exit (void)
+grub_exit (int rc __attribute__((unused)))
{
GRUB_ARC_FIRMWARE_VECTOR->exit ();
diff --git a/grub-core/kern/mips/loongson/init.c b/grub-core/kern/mips/loongson/init.c
index 7b96531..dff598c 100644
--- a/grub-core/kern/mips/loongson/init.c
+++ b/grub-core/kern/mips/loongson/init.c
@@ -304,7 +304,7 @@ grub_halt (void)
}
void
-grub_exit (void)
+grub_exit (int rc __attribute__((unused)))
{
grub_halt ();
}
diff --git a/grub-core/kern/mips/qemu_mips/init.c b/grub-core/kern/mips/qemu_mips/init.c
index be88b77..8b6c55f 100644
--- a/grub-core/kern/mips/qemu_mips/init.c
+++ b/grub-core/kern/mips/qemu_mips/init.c
@@ -75,7 +75,7 @@ grub_machine_fini (int flags __attribute__ ((unused)))
}
void
-grub_exit (void)
+grub_exit (int rc __attribute__((unused)))
{
grub_halt ();
}
diff --git a/grub-core/kern/misc.c b/grub-core/kern/misc.c
index d1a54df..6bb0351 100644
--- a/grub-core/kern/misc.c
+++ b/grub-core/kern/misc.c
@@ -1094,7 +1094,7 @@ grub_abort (void)
grub_getkey ();
}
- grub_exit ();
+ grub_exit (1);
}
void
diff --git a/grub-core/kern/uboot/init.c b/grub-core/kern/uboot/init.c
index 5dcc106..430c62b 100644
--- a/grub-core/kern/uboot/init.c
+++ b/grub-core/kern/uboot/init.c
@@ -43,9 +43,9 @@ extern grub_uint32_t grub_uboot_machine_type;
extern grub_addr_t grub_uboot_boot_data;
void
-grub_exit (void)
+grub_exit (int rc)
{
- grub_uboot_return (0);
+ grub_uboot_return (rc < 0 ? 1 : rc);
}
grub_uint32_t
@@ -94,7 +94,7 @@ grub_machine_init (void)
if (!ver)
{
/* Don't even have a console to log errors to... */
- grub_exit ();
+ grub_exit (-1);
}
else if (ver > API_SIG_VERSION)
{
diff --git a/grub-core/kern/xen/init.c b/grub-core/kern/xen/init.c
index 0559c03..fce526d 100644
--- a/grub-core/kern/xen/init.c
+++ b/grub-core/kern/xen/init.c
@@ -549,7 +549,7 @@ grub_machine_init (void)
}
void
-grub_exit (void)
+grub_exit (int rc __attribute__((unused)))
{
struct sched_shutdown arg;
diff --git a/include/grub/misc.h b/include/grub/misc.h
index 2a9f87c..0620814 100644
--- a/include/grub/misc.h
+++ b/include/grub/misc.h
@@ -334,7 +334,7 @@ int EXPORT_FUNC(grub_vsnprintf) (char *str, grub_size_t n, const char *fmt,
char *EXPORT_FUNC(grub_xasprintf) (const char *fmt, ...)
__attribute__ ((format (GNU_PRINTF, 1, 2))) WARN_UNUSED_RESULT;
char *EXPORT_FUNC(grub_xvasprintf) (const char *fmt, va_list args) WARN_UNUSED_RESULT;
-void EXPORT_FUNC(grub_exit) (void) __attribute__ ((noreturn));
+void EXPORT_FUNC(grub_exit) (int rc) __attribute__ ((noreturn));
grub_uint64_t EXPORT_FUNC(grub_divmod64) (grub_uint64_t n,
grub_uint64_t d,
grub_uint64_t *r);
--
2.9.3
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