jduran@chopiszt:/doclinux/programming/c++/hot-potato$ strace ./hotpot
execve("./hotpot", ["./hotpot"], [/* 33 vars */]) = 0
uname({sys="Linux", node="chopiszt", ...}) = 0
brk(0)                                  = 0x804a000
access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such file or directory)
mmap2(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb7f0c000
access("/etc/ld.so.preload", R_OK)      = -1 ENOENT (No such file or directory)
open("/etc/ld.so.cache", O_RDONLY)      = 3
fstat64(3, {st_mode=S_IFREG|0644, st_size=91832, ...}) = 0
mmap2(NULL, 91832, PROT_READ, MAP_PRIVATE, 3, 0) = 0xb7ef5000
close(3)                                = 0
access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such file or directory)
open("/lib/tls/i686/cmov/libc.so.6", O_RDONLY) = 3
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\240O\1"..., 512) = 512
fstat64(3, {st_mode=S_IFREG|0644, st_size=1241580, ...}) = 0
mmap2(NULL, 1247388, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb7dc4000
mmap2(0xb7eeb000, 28672, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x127) = 0xb7eeb000
mmap2(0xb7ef2000, 10396, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0xb7ef2000
close(3)                                = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb7dc3000
mprotect(0xb7eeb000, 20480, PROT_READ)  = 0
set_thread_area({entry_number:-1 -> 6, base_addr:0xb7dc38e0, limit:1048575, seg_32bit:1, contents:0, read_exec_only:0, limit_in_pages:1, seg_not_present:0, useable:1}) = 0
munmap(0xb7ef5000, 91832)               = 0
rt_sigaction(SIGINT, {SIG_IGN}, {SIG_DFL}, 8) = 0
rt_sigaction(SIGQUIT, {SIG_IGN}, {SIG_DFL}, 8) = 0
rt_sigprocmask(SIG_BLOCK, [CHLD], [], 8) = 0
clone(child_stack=0, flags=CLONE_PARENT_SETTID|SIGCHLD, parent_tidptr=0xbfdfd534) = 31735
waitpid(31735, [{WIFEXITED(s) && WEXITSTATUS(s) == 0}], 0) = 31735
rt_sigaction(SIGINT, {SIG_DFL}, NULL, 8) = 0
rt_sigaction(SIGQUIT, {SIG_DFL}, NULL, 8) = 0
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
--- SIGCHLD (Child exited) @ 0 (0) ---
fstat64(1, {st_mode=S_IFCHR|0600, st_rdev=makedev(136, 2), ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb7f0b000
write(1, "JUEGO DE LA PAPA CALIENTE\n", 26JUEGO DE LA PAPA CALIENTE
) = 26
fstat64(0, {st_mode=S_IFCHR|0600, st_rdev=makedev(136, 2), ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb7f0a000
write(1, "\tIngrese el n\372mero de jugadores "..., 34  Ingrese el número de jugadores : ) = 34
read(0, 4
"4\n", 1024)                    = 2
shmget(100, 64, IPC_CREAT|0777)         = -1 EINVAL (Invalid argument)
dup(2)                                  = 3
fcntl64(3, F_GETFL)                     = 0x2 (flags O_RDWR)
brk(0)                                  = 0x804a000
brk(0x806b000)                          = 0x806b000
fstat64(3, {st_mode=S_IFCHR|0600, st_rdev=makedev(136, 2), ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb7f09000
_llseek(3, 0, 0xbfdfcfa4, SEEK_CUR)     = -1 ESPIPE (Illegal seek)
write(3, "shmget: : Invalid argument\n", 27shmget: : Invalid argument
) = 27
close(3)                                = 0
munmap(0xb7f09000, 4096)                = 0
rt_sigprocmask(SIG_UNBLOCK, [ABRT], NULL, 8) = 0
gettid()                                = 31734
tgkill(31734, 31734, SIGABRT)           = 0
--- SIGABRT (Aborted) @ 0 (0) ---
+++ killed by SIGABRT (core dumped) +++
Process 31734 detached
jduran@chopiszt:/doclinux/programming/c++/hot-potato$