#define NULL ((void *)0)
typedef unsigned long size_t; // Customize by platform.
typedef long intptr_t;
typedef unsigned long uintptr_t;
typedef long scalar_t__; // Either arithmetic or pointer type.
/* By default, we understand bool (as a convenience). */
typedef int bool;
#define false 0
#define true 1

/* Forward declarations */

/* Type definitions */

/* Variables and functions */
int /*<<< orphan*/ EXIT_FAILURE;
int /*<<< orphan*/ exit(int /*<<< orphan*/);
int /*<<< orphan*/ fprintf(int /*<<< orphan*/, char *);
int /*<<< orphan*/ stderr;
void print_usage(void) {
  fprintf(stderr, "oom-listener");
  fprintf(stderr, "Listen to OOM events in a cgroup");
  fprintf(stderr, "usage to listen: oom-listener <cgroup directory>\n");
  fprintf(stderr, "usage to test: oom-listener oom [<pgid>]\n");
  fprintf(stderr, "example listening: oom-listener "
                  "/sys/fs/cgroup/memory/hadoop-yarn | xxd -c 8\n");
  fprintf(stderr,
          "example oom to test: bash -c 'echo $$ "
          ">/sys/fs/cgroup/memory/hadoop-yarn/tasks;oom-listener oom'\n");
  fprintf(stderr, "example container overload: sudo -u <user> bash -c 'echo $$ "
                  "&& oom-listener oom 0' "
                  ">/sys/fs/cgroup/memory/hadoop-yarn/<container>/tasks\n");
  exit(EXIT_FAILURE);
}


x86 assembly (clang, -O0):
<print_usage>:
push   %rbp
mov    %rsp,%rbp
mov    0x2eb5(%rip),%rax
mov    (%rax),%edi
lea    0xecc(%rip),%rsi
call   1030 <fprintf@plt>
mov    0x2ea0(%rip),%rax
mov    (%rax),%edi
lea    0xec4(%rip),%rsi
call   1030 <fprintf@plt>
mov    0x2e8b(%rip),%rax
mov    (%rax),%edi
lea    0xed0(%rip),%rsi
call   1030 <fprintf@plt>
mov    0x2e76(%rip),%rax
mov    (%rax),%edi
lea    0xeed(%rip),%rsi
call   1030 <fprintf@plt>
mov    0x2e61(%rip),%rax
mov    (%rax),%edi
lea    0xf02(%rip),%rsi
call   1030 <fprintf@plt>
mov    0x2e4c(%rip),%rax
mov    (%rax),%edi
lea    0xf3b(%rip),%rsi
call   1030 <fprintf@plt>
mov    0x2e37(%rip),%rax
mov    (%rax),%edi
lea    0xf88(%rip),%rsi
call   1030 <fprintf@plt>
mov    0x2e1a(%rip),%rax
mov    (%rax),%edi
call   1040 <exit@plt>

x86 assembly (clang, -O2):
<print_usage>:
push   %rbx
mov    0x2eb8(%rip),%rbx
mov    (%rbx),%edi
lea    0xecf(%rip),%rsi
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xece(%rip),%rsi
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xee1(%rip),%rsi
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xf05(%rip),%rsi
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xf21(%rip),%rsi
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xf61(%rip),%rsi
call   1030 <fprintf@plt>
mov    (%rbx),%edi
lea    0xfb5(%rip),%rsi
call   1030 <fprintf@plt>
mov    0x2e47(%rip),%rax
mov    (%rax),%edi
call   1040 <exit@plt>

LLVM IR (-O0):
@stderr = global i32 0
@.str = [13 x i8] c"oom-listener\00"
@.str.1 = [33 x i8] c"Listen to OOM events in a cgroup\00"
@.str.2 = [50 x i8] c"usage to listen: oom-listener <cgroup directory>\0A\00"
@.str.3 = [42 x i8] c"usage to test: oom-listener oom [<pgid>]\0A\00"
@.str.4 = [78 x i8] c"example listening: oom-listener /sys/fs/cgroup/memory/hadoop-yarn | xxd -c 8\0A\00"
@.str.5 = [98 x i8] c"example oom to test: bash -c 'echo $$ >/sys/fs/cgroup/memory/hadoop-yarn/tasks;oom-listener oom'\0A\00"
@.str.6 = [137 x i8] c"example container overload: sudo -u <user> bash -c 'echo $$ && oom-listener oom 0' >/sys/fs/cgroup/memory/hadoop-yarn/<container>/tasks\0A\00"
@EXIT_FAILURE = global i32 0
define void @print_usage() {
%1 = load i32, i32* @stderr
%2 = call i32 @fprintf(i32 %1, i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str, i64 0, i64 0))
%3 = load i32, i32* @stderr
%4 = call i32 @fprintf(i32 %3, i8* getelementptr inbounds ([33 x i8], [33 x i8]* @.str.1, i64 0, i64 0))
%5 = load i32, i32* @stderr
%6 = call i32 @fprintf(i32 %5, i8* getelementptr inbounds ([50 x i8], [50 x i8]* @.str.2, i64 0, i64 0))
%7 = load i32, i32* @stderr
%8 = call i32 @fprintf(i32 %7, i8* getelementptr inbounds ([42 x i8], [42 x i8]* @.str.3, i64 0, i64 0))
%9 = load i32, i32* @stderr
%10 = call i32 @fprintf(i32 %9, i8* getelementptr inbounds ([78 x i8], [78 x i8]* @.str.4, i64 0, i64 0))
%11 = load i32, i32* @stderr
%12 = call i32 @fprintf(i32 %11, i8* getelementptr inbounds ([98 x i8], [98 x i8]* @.str.5, i64 0, i64 0))
%13 = load i32, i32* @stderr
%14 = call i32 @fprintf(i32 %13, i8* getelementptr inbounds ([137 x i8], [137 x i8]* @.str.6, i64 0, i64 0))
%15 = load i32, i32* @EXIT_FAILURE
%16 = call i32 @exit(i32 %15)
unreachable
}

LLVM IR (-O2):
@stderr = global i32 0
@.str = [13 x i8] c"oom-listener\00"
@.str.1 = [33 x i8] c"Listen to OOM events in a cgroup\00"
@.str.2 = [50 x i8] c"usage to listen: oom-listener <cgroup directory>\0A\00"
@.str.3 = [42 x i8] c"usage to test: oom-listener oom [<pgid>]\0A\00"
@.str.4 = [78 x i8] c"example listening: oom-listener /sys/fs/cgroup/memory/hadoop-yarn | xxd -c 8\0A\00"
@.str.5 = [98 x i8] c"example oom to test: bash -c 'echo $$ >/sys/fs/cgroup/memory/hadoop-yarn/tasks;oom-listener oom'\0A\00"
@.str.6 = [137 x i8] c"example container overload: sudo -u <user> bash -c 'echo $$ && oom-listener oom 0' >/sys/fs/cgroup/memory/hadoop-yarn/<container>/tasks\0A\00"
@EXIT_FAILURE = global i32 0
define void @print_usage() {
%1 = load i32, i32* @stderr
%2 = tail call i32 @fprintf(i32 %1, i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str, i64 0, i64 0))
%3 = load i32, i32* @stderr
%4 = tail call i32 @fprintf(i32 %3, i8* getelementptr inbounds ([33 x i8], [33 x i8]* @.str.1, i64 0, i64 0))
%5 = load i32, i32* @stderr
%6 = tail call i32 @fprintf(i32 %5, i8* getelementptr inbounds ([50 x i8], [50 x i8]* @.str.2, i64 0, i64 0))
%7 = load i32, i32* @stderr
%8 = tail call i32 @fprintf(i32 %7, i8* getelementptr inbounds ([42 x i8], [42 x i8]* @.str.3, i64 0, i64 0))
%9 = load i32, i32* @stderr
%10 = tail call i32 @fprintf(i32 %9, i8* getelementptr inbounds ([78 x i8], [78 x i8]* @.str.4, i64 0, i64 0))
%11 = load i32, i32* @stderr
%12 = tail call i32 @fprintf(i32 %11, i8* getelementptr inbounds ([98 x i8], [98 x i8]* @.str.5, i64 0, i64 0))
%13 = load i32, i32* @stderr
%14 = tail call i32 @fprintf(i32 %13, i8* getelementptr inbounds ([137 x i8], [137 x i8]* @.str.6, i64 0, i64 0))
%15 = load i32, i32* @EXIT_FAILURE
%16 = tail call i32 @exit(i32 %15)
unreachable
}