#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 */
struct sembuf {
  int member_1;
  int /*<<< orphan*/ member_2;
  int /*<<< orphan*/ member_0;
};

/* Variables and functions */
int /*<<< orphan*/ EXIT_FAILURE;
int /*<<< orphan*/ errno;
int /*<<< orphan*/ exit(int /*<<< orphan*/);
int /*<<< orphan*/ fprintf(int /*<<< orphan*/, char *, char *, int, char *,
                           char *);
int semop(int, struct sembuf *, int);
int /*<<< orphan*/ stderr;
char *strerror(int /*<<< orphan*/);
int sem_v(int semid) {
  struct sembuf sb = {0, 1, 0};
  int ret = semop(semid, &sb, 1);
  if (ret == -1)
    do {
      fprintf(stderr, "[%s][%d]:%s %s\n",
              "/scratch/repos/new/home/jordi_armengol_estape/c-scraper/outputs/"
              "2022-01-22/02-19-57/repos/drsin/linuxCoreLearn/refs/heads/"
              "master/apue/day0b/shmfifo/ipc.c",
              44, "semop", strerror(errno));
      exit(EXIT_FAILURE);
    } while (0);
  return ret;
}


x86 assembly (clang, -O0):
<sem_v>:
push   %rbp
mov    %rsp,%rbp
sub    $0x20,%rsp
mov    %edi,-0x4(%rbp)
mov    0xeae(%rip),%rax
mov    %rax,-0x10(%rbp)
mov    0xeac(%rip),%eax
mov    %eax,-0x8(%rbp)
mov    -0x4(%rbp),%edi
lea    -0x10(%rbp),%rsi
mov    $0x1,%edx
call   1040 <semop@plt>
mov    %eax,-0x14(%rbp)
cmpl   $0xffffffff,-0x14(%rbp)
jne    11cf <sem_v+0x8f>
jmp    1182 <sem_v+0x42>
mov    0x2e57(%rip),%rax
mov    (%rax),%eax
mov    %eax,-0x18(%rbp)
mov    0x2e43(%rip),%rax
mov    (%rax),%edi
call   1060 <strerror@plt>
mov    -0x18(%rbp),%edi
mov    %rax,%r9
lea    0xe63(%rip),%rsi
lea    0xe6c(%rip),%rdx
mov    $0x2c,%ecx
lea    0xefa(%rip),%r8
call   1030 <fprintf@plt>
mov    0x2e08(%rip),%rax
mov    (%rax),%edi
call   1050 <exit@plt>
mov    -0x14(%rbp),%eax
add    $0x20,%rsp
pop    %rbp
ret

x86 assembly (clang, -O2):
<sem_v>:
push   %rbx
sub    $0x10,%rsp
mov    0xebd(%rip),%eax
mov    %eax,0x8(%rsp)
mov    0xeaa(%rip),%rax
mov    %rax,(%rsp)
mov    %rsp,%rsi
mov    $0x1,%edx
call   1040 <semop@plt>
cmp    $0xffffffff,%eax
je     1172 <sem_v+0x32>
add    $0x10,%rsp
pop    %rbx
ret
mov    0x2e67(%rip),%rax
mov    (%rax),%ebx
mov    0x2e56(%rip),%rax
mov    (%rax),%edi
call   1060 <strerror@plt>
lea    0xe7c(%rip),%rsi
lea    0xe85(%rip),%rdx
lea    0xf18(%rip),%r8
mov    %ebx,%edi
mov    $0x2c,%ecx
mov    %rax,%r9
call   1030 <fprintf@plt>
mov    0x2e1c(%rip),%rax
mov    (%rax),%edi
call   1050 <exit@plt>

LLVM IR (-O0):
%struct.sembuf = type { i32, i32, i32 }
@__const.sem_v.sb = %struct.sembuf { i32 0, i32 1, i32 0 }
@stderr = global i32 0
@.str = [16 x i8] c"[%s][%d]:%s %s\0A\00"
@.str.1 = [154 x i8] c"/scratch/repos/new/home/jordi_armengol_estape/c-scraper/outputs/2022-01-22/02-19-57/repos/drsin/linuxCoreLearn/refs/heads/master/apue/day0b/shmfifo/ipc.c\00"
@.str.2 = [6 x i8] c"semop\00"
@errno = global i32 0
@EXIT_FAILURE = global i32 0
define i32 @sem_v(i32 %0) {
%2 = alloca i32
%3 = alloca %struct.sembuf
%4 = alloca i32
store i32 %0, i32* %2
%5 = bitcast %struct.sembuf* %3 to i8*
%6 = load i32, i32* %2
%7 = call i32 @semop(i32 %6, %struct.sembuf* %3, i32 1)
store i32 %7, i32* %4
%8 = load i32, i32* %4
%9 = icmp eq i32 %8, -1
br i1 %9, label %10, label %19
10: ; preds = %1
br label %11
11: ; preds = %10
%12 = load i32, i32* @stderr
%13 = load i32, i32* @errno
%14 = call i8* @strerror(i32 %13)
%15 = call i32 @fprintf(i32 %12, i8* getelementptr inbounds ([16 x i8], [16 x i8]* @.str, i64 0, i64 0), i8* getelementptr inbounds ([154 x i8], [154 x i8]* @.str.1, i64 0, i64 0), i32 44, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.2, i64 0, i64 0), i8* %14)
%16 = load i32, i32* @EXIT_FAILURE
%17 = call i32 @exit(i32 %16)
unreachable
18: ; No predecessors!
br label %19
19: ; preds = %18, %1
%20 = load i32, i32* %4
ret i32 %20
}

LLVM IR (-O2):
%struct.sembuf = type { i32, i32, i32 }
@__const.sem_v.sb = %struct.sembuf { i32 0, i32 1, i32 0 }
@stderr = global i32 0
@.str = [16 x i8] c"[%s][%d]:%s %s\0A\00"
@.str.1 = [154 x i8] c"/scratch/repos/new/home/jordi_armengol_estape/c-scraper/outputs/2022-01-22/02-19-57/repos/drsin/linuxCoreLearn/refs/heads/master/apue/day0b/shmfifo/ipc.c\00"
@.str.2 = [6 x i8] c"semop\00"
@errno = global i32 0
@EXIT_FAILURE = global i32 0
define i32 @sem_v(i32 %0) {
%2 = alloca %struct.sembuf
%3 = bitcast %struct.sembuf* %2 to i8*
%4 = call i32 @semop(i32 %0, %struct.sembuf* %2, i32 1)
%5 = icmp eq i32 %4, -1
br i1 %5, label %6, label %13
6: ; preds = %1
%7 = load i32, i32* @stderr
%8 = load i32, i32* @errno
%9 = call i8* @strerror(i32 %8)
%10 = call i32 @fprintf(i32 %7, i8* getelementptr inbounds ([16 x i8], [16 x i8]* @.str, i64 0, i64 0), i8* getelementptr inbounds ([154 x i8], [154 x i8]* @.str.1, i64 0, i64 0), i32 44, i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str.2, i64 0, i64 0), i8* %9)
%11 = load i32, i32* @EXIT_FAILURE
%12 = call i32 @exit(i32 %11)
unreachable
13: ; preds = %1
ret i32 %4
}