[shim] Bad Initialization for vfcntl(), epoll_ctl(), epoll_wait() and epoll_create()

[ppenna]

Description

This PR isolates some changes introduced by #1351.

[github-actions]

libos = catpowder
commit id = ccd9b88

collapsed_stack	percent_time	cycles_per_call	nanoseconds_per_call
ioc::network::libos::pushto;inetstack::push	88.90	4716.97	2043.77
ioc::network::libos::push;inetstack::push	88.45	6354.13	2948.35
bgc::inetstack::poll_recv;inetstack::poll_bg_work::for::receive	77.43	901.80	400.23
bgc::inetstack::poll_recv;inetstack::poll;inetstack::poll_bg_work::for::receive	76.51	7761.77	3463.80
bgc::inetstack::poll_recv	63.54	1229.54	546.04
bgc::inetstack::poll_recv;inetstack::poll_bg_work::for::for;inetstack::receive;udp::receive	55.80	350.24	146.36
bgc::inetstack::tcp::established::background;tcp::established::background::receiver	33.11	1742.59	735.06
demikernel::new	26.30	98604559.37	43526047.29
bgc::inetstack::tcp::established::background;tcp::established::background::retransmitter	25.55	1252.98	550.47
bgc::inetstack::tcp::established::background;tcp::established::background::sender	18.58	840.72	369.69
bgc::inetstack::poll_recv;inetstack::poll_bg_work::for::for;inetstack::receive	15.21	850.11	374.88
bgc::inetstack::tcp::established::background;tcp::established::background::acknowledger	7.95	377.14	166.67
bgc::inetstack::tcp::established::background	6.55	4543.43	1969.25
bgc::inetstack::poll_recv;inetstack::poll_bg_work::for::for	4.49	62.42	27.84
ioc::network::libos::push	3.48	6633.70	3073.72
bgc::inetstack::poll_recv;inetstack::poll;inetstack::poll_bg_work::for::for	3.33	321.93	144.40
ioc::network::libos::pushto	2.52	5306.02	2298.99
ioc::network::libos::pop	1.10	1024.32	453.04
demikernel::push	0.30	861.03	393.10
ioc::network::libos::connect	0.29	24634.76	11287.07
demikernel::pushto	0.24	498.02	215.31
ioc::network::libos::close	0.21	12752.59	5709.48
demikernel::pop	0.16	577.92	253.89
demikernel::sgaalloc	0.10	146.99	66.74
bgc::inetstack::poll_recv;inetstack::poll	0.05	10037.00	4472.75
demikernel::sgafree	0.04	85.44	38.39
bgc::inetstack::tcp::passiveopen::background	0.01	13594.12	6288.53
demikernel::connect	0.01	4905.34	2303.68
demikernel::async_close	0.01	666.72	274.17
demikernel::bind	0.00	11180.25	4914.06
demikernel::listen	0.00	6744.29	3007.06
bgc::passive_listening::poll	0.00	5499.09	2503.62
bgc::inetstack::icmp::background	0.00	3349.28	1487.36
ioc::network::libos::accept	0.00	2738.94	1262.17
bgc::inetstack::arp::background	0.00	2387.40	1057.22
demikernel::accept	0.00	1519.34	691.32
demikernel::socket	0.00	1395.21	623.87
demikernel::close	0.00	nan	nan

[github-actions]

libos = catnip
commit id = ccd9b88

collapsed_stack	percent_time	cycles_per_call	nanoseconds_per_call
bgc::inetstack::poll_recv;inetstack::poll;inetstack::poll_bg_work::for::receive;catnip::runtime::receive	97.93	18085.62	7664.88
bgc::inetstack::poll_recv;inetstack::poll;inetstack::poll_bg_work::for::receive	86.30	18463.43	7824.79
ioc::network::libos::push;inetstack::push	71.28	1726.95	732.34
bgc::inetstack::poll_recv;inetstack::poll;inetstack::poll_bg_work::for::for;inetstack::receive	70.71	2122.28	905.35
ioc::network::libos::pushto;inetstack::push	69.40	982.06	417.99
bgc::inetstack::poll_recv;inetstack::poll_bg_work::for::receive;catnip::runtime::receive	66.17	199.29	84.63
demikernel::new	60.75	1814527568.65	770099431.89
bgc::inetstack::poll_recv;inetstack::poll_bg_work::for::for;inetstack::receive;udp::receive	57.76	390.03	173.47
bgc::inetstack::poll_recv;inetstack::poll_bg_work::for::receive	55.44	300.94	127.77
ioc::network::libos::push;inetstack::push;catnip::runtime::transmit	49.77	873.75	370.94
bgc::inetstack::tcp::passiveopen::background;catnip::runtime::transmit	44.87	19953.19	8350.03
ioc::network::libos::pushto;inetstack::push;catnip::runtime::transmit	41.69	409.39	174.45
bgc::inetstack::poll_recv	35.70	571.57	243.01
ioc::network::libos::connect;catnip::runtime::transmit	30.58	6469.36	2841.55
bgc::inetstack::tcp::established::background;tcp::established::background::receiver	27.95	850.96	356.48
bgc::inetstack::tcp::established::background;tcp::established::background::retransmitter	26.40	1084.43	455.10
bgc::inetstack::tcp::established::background;tcp::established::background::sender	20.01	757.62	319.09
bgc::inetstack::poll_recv;inetstack::poll_bg_work::for::for;inetstack::receive	13.30	852.51	360.35
bgc::inetstack::poll_recv;inetstack::poll_bg_work::for::for	9.63	58.92	25.21
ioc::network::libos::close;catnip::runtime::transmit	9.52	895.38	378.36
bgc::inetstack::tcp::established::background;tcp::established::background::acknowledger	8.30	316.81	133.37
bgc::inetstack::poll_recv;inetstack::poll;inetstack::poll_bg_work::for::for	8.27	1763.48	750.19
bgc::inetstack::tcp::established::background;tcp::established::background::receiver;catnip::runtime::transmit	8.01	1114.83	463.00
bgc::inetstack::tcp::established::background	2.74	3277.23	1375.86
ioc::network::libos::push	0.54	2257.15	957.38
ioc::network::libos::pop	0.52	908.26	382.58
bgc::inetstack::poll_recv;inetstack::poll	0.27	42768.27	18128.41
demikernel::push	0.15	673.69	286.57
ioc::network::libos::pushto	0.06	1413.18	601.46
demikernel::pop	0.06	446.62	190.42
demikernel::sgaalloc	0.05	146.18	63.82
demikernel::pushto	0.02	455.30	194.19
ioc::network::libos::connect	0.01	15256.30	6658.62
ioc::network::libos::close	0.01	7495.68	3208.49
bgc::inetstack::tcp::established::background;tcp::established::background::retransmitter;catnip::runtime::transmit	0.01	894.25	376.37
demikernel::sgafree	0.01	65.91	27.94
demikernel::bind	0.00	21900.56	8911.80
bgc::inetstack::tcp::passiveopen::background	0.00	15151.04	6315.94
bgc::passive_listening::poll	0.00	5768.43	2397.29
demikernel::listen	0.00	4119.21	1707.33
demikernel::connect	0.00	3971.99	1720.39
demikernel::socket	0.00	3218.99	1344.79
bgc::inetstack::icmp::background	0.00	3114.12	1322.60
bgc::inetstack::arp::background	0.00	2556.94	1076.52
ioc::network::libos::accept	0.00	2536.75	1051.84
demikernel::accept	0.00	1226.23	508.89
demikernel::async_close	0.00	585.96	244.04
demikernel::close	0.00	nan	nan

[github-actions]

libos = catnap
commit id = ccd9b88

collapsed_stack	percent_time	cycles_per_call	nanoseconds_per_call
demikernel::socket;catnap::linux::transport::socket	97.73	52829.61	22693.47
ioc::network::libos::close;catnap::linux::transport::close	95.91	22453.04	9663.37
demikernel::listen;catnap::linux::transport::listen	92.46	12775.66	5483.86
demikernel::bind;catnap::linux::transport::bind	81.92	23759.32	10212.79
ioc::network::libos::accept	43.61	897199337.37	387764292.66
bgc::catnap::transport::epoll	33.74	2328.86	1003.24
ioc::network::libos::pop	25.76	5812418.96	2410023.68
ioc::network::libos::connect	23.94	4413152.15	1921598.94
ioc::network::libos::pushto	22.68	11745.33	4882.29
ioc::network::libos::push	6.62	17189.85	7449.98
ioc::network::libos::pushto;catnap::linux::transport::push	6.52	755.11	313.71
ioc::network::libos::push;catnap::linux::transport::push	4.47	735.94	320.60
ioc::network::libos::pop;catnap::linux::transport::pop	2.16	530.65	228.54
ioc::network::libos::connect;catnap::linux::transport::connect	1.96	55932.78	24403.05
demikernel::pushto	1.09	611.10	253.60
demikernel::new	0.61	1654991.05	710410.56
demikernel::sgaalloc	0.20	236.97	102.26
demikernel::push	0.17	527.13	227.92
demikernel::pop	0.11	636.02	270.97
demikernel::socket	0.09	54058.28	23224.70
ioc::network::libos::close	0.07	23456.19	10095.38
demikernel::sgafree	0.04	78.00	33.30
demikernel::async_close	0.02	872.89	352.73
demikernel::bind	0.01	29022.60	12471.97
demikernel::connect	0.01	3516.18	1567.55
demikernel::listen	0.00	13802.42	5924.06
ioc::network::libos::accept;catnap::linux::transport::accept	0.00	2972.89	1276.84
demikernel::accept	0.00	1864.72	810.50
demikernel::close	0.00	nan	nan

[ppenna]

Bypassing this review as it concerns the SHIM Layer and PR #1351.